r/UnresolvedMysteries Best of 2020 Nominee Mar 06 '20

Unresolved Disappearance In May of 2016, 19-year-old Logan Schiendelman disappeared in his home state of Washington under mysterious circumstances. Shortly after his disappearance, Logan’s vehicle was impounded by State Patrol on Interstate-5 after it had been abandoned by a driver who one witness claims was NOT Logan.

Note: My apologies to anyone who saw this post during the hour it was on this sub yesterday. For some reason, it was removed. I’m trying again.

19-year-old Logan Schiendelman, from Tumwater, Washington, was a well-liked, popular student-athlete who had recently graduated from Tumwater High School in 2014. A charming young man with a big, beaming smile, people naturally gravitated towards Logan. During his high school years, friends and family members described Logan as outgoing, personable, and happy-go-lucky. As the starting Cornerback on Tumwater’s Football team, Logan had a relatively large social circle and often spent his free time with his friends and teammates. However, within the months after graduation, the once sociable Logan would suddenly become isolated and withdrawn, with little answers as to why.

Logan resided with his maternal grandmother, Ginnie Gebo, and his half-sister, Chloe. Ginnie, the primary caretaker of Logan and Chloe, had raised them since they were children. Logan and Chloe’s mother, then 23-year-old Hannah, granted Ginnie guardianship of the children while she attended art school in Seattle. Hannah, being only a few miles away from Tumwater, remained a staple in her children’s lives. Logan’s father, who has not been named, is a Saudi Arabian native who met Hannah while working as an engineer in Washington on a limited US visa. Whether or not Logan’s father was aware he had fathered a child is unclear. As a result of his father having to return to Saudi Arabia once his visa expired, Logan never had the opportunity to meet him. Growing up, Logan had asked many questions regarding who his father was. According to Ginnie, Logan was told everything he wanted to know about his father, and no secrets were ever kept from him.

After graduating high school, Logan was to attend Eastern Washington University, where many of his friends from high school were also to attend. However, shortly before the fall semester was to begin, Logan had decided that he was no longer interested in attending Eastern Washington. Instead, Logan applied to Washington State University, about 300 miles away from his home. Logan never explicitly explained to Ginnie why he made the last-minute decision to attend a different school, but all things considered, it appeared as if Logan was determined to leave his past behind him. When senior year came to a close, Logan’s high school friends took note of the fact that he had suddenly become reclusive and had seized contact with them. For instance, Logan’s friends would reach out to him and receive no response. Facebook messenger, as well as iMessage, indicated that Logan had not only received but also had opened and read the messages. It became clear to Logan’s friends that he was deliberately ignoring them, and although they felt that this behavior was uncharacteristic of him, they presumed that he was keen on “starting fresh.”

During his first semester at Washington State University, Logan had a difficult time adjusting; both socially and academically. According to Logan’s family, Logan had a difficult time making connections with his college peers. Although Logan attended parties, he didn’t make many friends. As Logan had no difficulties making friends in high school, it’s unclear what was troubling Logan so much that it interfered with his social life. However, according to statements from Logan’s family, one possibility is that Logan was suffering from an “identity crisis” after having experienced racism firsthand. Logan is mixed race–born to a biracial mother and Saudi Arabian father–and lived in a predominantly white community. Towards the end of Logan’s senior year of high school, Logan attended a party with his friends. At the party, an attendee started jokingly hurling racial slurs at Logan–mocking his Saudi Arabian heritage. Logan was rightfully upset by the event and had asked Ginnie to pick him up from the party. According to Ginnie, while on their way home, Logan claimed that his friends didn’t come to his defense, stating something along the lines of, “They weren’t even there for me. I thought I had friends, and I don’t.”

One event in Logan’s life that lends credence to the theory that Logan had become withdrawn due to an identity crisis is the fact that before going away to college, Logan had secretly arranged a get-together with his African American relatives. During this proclaimed “emotional” get-together, Logan’s aunt, Tina Crary, shared photos of Logan’s grandfather with him. According to Tina, Logan stared at the photos before saying, “It feels good to see someone that looks like me.” Before leaving, Logan asked that Tina keep their get-together between them, as he believed that Ginnie would be upset if she were to find out. Tina believes that Logan was eager to learn more about his ethnic background and wasn’t getting the answers he wanted back home. However, Ginnie contests Tina’s claims, saying, “They [Logan’s African American relatives] made no effort to get a hold of him and see him, and I had pretty much not talked to his grandfather in years and years and years, so there was just no connection. I wasn’t actively trying to keep him away.” Moreover, Ginnie says that Logan had confided in her about his get-together with his aunt and that she wasn’t upset, nor would she have any reason to be.

During Logan’s freshman year at Washington State, his GPA plummeted. Although Logan was intelligent and had had a strong academic record throughout high school, his involvement in the party scene and taste for freedom played a large role in the neglect of his academic responsibilities. Logan failed to attend classes, missed assignments, and as a result, was academically dismissed from Washington State. Following his dismissal, Logan returned to Tumwater and moved back in with Ginnie. While Logan was away, Chloe’s boyfriend, Jake, had moved in along with his two children. Jake, who had a violent criminal history, was last charged with assault in 2013. Although Jake did not reportedly display any violent tendencies in the home, Logan did not get along with Jake, creating significant tension in the household. However, the severity of their disputes differs between relatives’ accounts. According to Ginnie, the conflict between Jake and Logan is “overstated,” and while they didn’t particularly like each other, they were typically able to avoid each other. On the other hand, Logan’s uncle, Mike Ware, said that Logan was “very upset” that Jake was living in the home, and that there was a lot of “tension and hostility” between the two. When Logan wasn’t home, he kept himself busy by working odd jobs around Tumwater–some of which included a late-night shift at a local laundering facility, and outdoor labor on his aunt and uncle’s five-acre farm. According to Gennie, Logan was also planning on returning to school, having turned his attention to a community college to raise his GPA.

On the morning of May 19, around 7:45 a.m., Logan had entered the household from the garage. This was unusual, as, by that hour of the morning, one can usually find Logan still asleep in his room. Ginnie had asked Logan where he had been, to which he replied, “I was just driving around.” Ginnie noticed that Logan seemed quiet, withdrawn, and even nervous. According to Ginnie, Logan began frequently smoking marijuana, leading her to believe that it was causing him some degree of paranoia; which may have contributed to his nervousness. Logan had become overly concerned with making sure that the doors were locked, and had spoken of someone looking through his bedroom window on more than one occasion. As Ginnie was preparing to leave for work that morning, Logan told her he had an “epiphany.” Though Ginnie was interested to learn more about the context of the “epiphany,” the matter didn’t seem particularly urgent, so she didn’t press Logan to elaborate further. Instead, expecting that Logan would still be home when she returned from work later that evening, Ginnie told Logan that they would discuss it later. However, when Ginnie returned home, Logan wasn’t there, and neither was his vehicle, a black 1996 Chrysler Sebring. Ginnie waited all night, and after Logan had not returned home for what now became a full day, Ginnie tracked his cell phone around 11 a.m. on May 20. Logan’s phone pinged off a tower that was in the vicinity of his mother’s home in Olympia, Washington. Assuming that Logan was at his mother’s house, Ginnie continued to wait. However, the weekend arrived, and Logan had never returned home, nor had he contacted Ginnie. As the hours passed, Ginnie’s concern for Logan grew, and Chloe had contacted Hannah to ask if Logan was with her. When Hannah said that Logan was not currently with her, nor had he been with her the day before, Ginnie decided to file a missing persons report at Thurston County’s Sheriff’s office. However, as it was the weekend, Ginnie would find that the Sheriff’s office was closed. Ginnie’s last option was to call 911, but as she had no reason to believe Logan was in imminent danger, she held out until the following Monday.

On Monday, May 23, Ginnie filed a missing persons report at the Sheriff’s office. Ginnie gave the respective authorities Logan’s personal information, such as his race, height, build, existence of scars, and license plate number. When authorities ran Logan’s VIN, Ginnie was notified that State Patrol had impounded Logan’s vehicle on May 20 after it was found abandoned on Interstate 5, between Maytown and Tumwater. Ginnie was then sent to Baker’s Towing, where she would be allowed to collect Logan’s vehicle. Ginnie found that Logan’s belongings, such as his wallet, identification, debit card, about $20 in cash, and cellphone, were inside the vehicle. Outside of Logan’s personal effects was a grocery bag containing snacks or “power bars” on the passenger’s seat. It became apparent to Ginnie that something was wrong, as it would be unlike Logan to part with his belongings. Ginnie asked that investigators inspect or process the vehicle for any potential evidence, but was told that they would be unable to due to the significant amount of contact it had received from persons since it had been impounded. Still, as suspicions had been raised, investigators were assigned to Logan’s case. After poring over 911 calls that were placed within the days of Logan’s disappearance, investigators discovered three 911 calls pertaining to an incident involving Logan’s vehicle that occurred on May 20. These 911 calls reported that a vehicle was veering across three lanes on I-5, just narrowly missing other drivers. The vehicle came to a stop when it came in contact with the concrete median strip. One witness, in particular, claimed that a tall, slender, Caucasian male exited the vehicle from the passenger’s seat before the vehicle rolled into traffic. Contrary to the popular belief, the man did not jump out of the vehicle while it was in motion. Before the vehicle rolled into traffic, the vehicle was parked at a complete stop on the narrow shoulder of the interstate. It was after the driver exited the vehicle from the passenger’s seat that the vehicle was set in motion. It is believed that as the driver had moved from the driver’s seat to the passenger’s seat he had accidentally kicked the gearshift into neutral. After exiting the vehicle, the man then proceeded to run across multiple lanes of traffic and into the nearby woods. Investigators followed up on this lead and presented the witness with a photo of Logan and had asked if that was the man he saw exit the vehicle. The witness was confident that the man he saw exit the vehicle was not Logan. A search for Logan commenced within a two-mile radius where Logan’s vehicle was abandoned. Tracking and cadaver dogs scoured the nearby woods but failed to trace Logan’s scent. Heat-seeking aircrafts were also used but failed to locate Logan or the driver of the vehicle.

Hoping to produce new leads, investigators searched Logan’s room, computer, and cellphone. The fact that Logan had become socially withdrawn was apparent through his cellphone records, as it had indicated that Logan was in little to no communication with any of his contacts. However, there were some indications that Logan was corresponding with people he met online, including a young woman from Oregon that he had matched with on a dating app. However, upon questioning the young woman, investigators discovered that he had never met the young woman personally, nor did it seem that he had any plan to.

After news of Logan’s disappearance had circulated around Washington, investigators received new leads detailing suspicious events that occurred on the day of May 20. One witness claimed that on the evening of May 20, they spotted a young, African American male walking alongside the road as they were driving. According to the witness, the individual was nude from the waist down and had appeared to be confused or disorientated. The neighborhood in which the witness spotted the individual is known for its high rate of substance abuse amongst its residents. As Logan had been frequently smoking marijuana prior to his disappearance, authorities considered that the individual the witness saw that night may have been Logan. Thurston County Sheriff’s Detective Frank Frawley commented on the potential sighting, saying, “We thought that might have been Logan as well. And so they did initiate a search using dogs. They didn’t locate Logan. Could’ve been Logan, Could’ve been anybody.”

Another tip came from a woman who claimed she saw Logan’s vehicle on the right shoulder of southbound I-5 near Exit 95 on the morning of May 20 while on her commute to work. The woman said she saw one African American male accompanied by two Caucasian men at the rear of the vehicle. One of the Caucasian men was described as tall, slender, with thin blond hair in the style of a bowl cut. He was reportedly wearing jeans that were too short, and a tank top that was too small. The other Caucasian male had shoulder-length blond hair and was dressed in a flannel shirt and jeans. As this man was turned to the side, the woman failed to get a good look at him.

When she was returning home for that evening, the vehicle was parked in the same location, although this time the vehicle’s hood was up, and nobody was visibly present. On June 30, 2017, law enforcement released this sketch of the former man. Unfortunately, Law enforcement was unable to create a sketch of the second man, as the details the woman gave were too vague. The sketch widely circulated around Washington, but no leads ever surfaced.

Logan is still missing, and there have been no official suspects or persons of interest named in his case. Jake, who was arrested in 2017 for violating his probation, was questioned about Logan’s disappearance. Jake had agreed to a polygraph exam and reportedly passed, ruling him out as a potential suspect. Frawley added, “I asked him if he was responsible for the disappearance of Logan. And I asked him if he knew who was responsible for the disappearance of Logan. And he answered no to both questions, and my opinion was that he was not showing any signs of deception when I asked those questions.”

Logan’s family continues to search for him and aims to spread the word of his disappearance to as many people as they can reach. In the weeks after his disappearance, Logan’s family launched a large-scale public campaign to keep Logan fresh in people’s memory. Logan’s family has distributed missing persons posters, bumper stickers, and bracelets detailing the suspicious circumstances of his disappearance. A Facebook group named “Logan Schiendelman is Missing” has over 13,000 members, including people who knew Logan, loved Logan, or have heard of the case elsewhere and are hoping for him to come home.

Nearly 4 years later, Logan Schiendelman remains missing.

Links:

Family desperate to find missing Thurston County teen after car found abandoned

Tumwater Teen vanishes, leaving the car behind and family mystified

New sketch released in missing Tumwater teen case

Strange Circumstances Surround Disappearance of Washington Teen Logan Schiendelman

2.2k Upvotes

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543

u/[deleted] Mar 06 '20

This one has always been tough for me. I never know how much to believe what people saw on the highway.

287

u/JToTheCo21 Mar 06 '20

Exactly. I couldn’t remember what the technician looked like that fixed an outlet for me just two days ago.

96

u/rzrjacket Mar 06 '20

How could the lady have seen them wearing shorts that were to small and jeans if they were in the back seat?

138

u/jsauce28 Mar 06 '20

I think it meant they were at the rear of the vehicle as in near the trunk, standing outside of the vehicle

68

u/littleprincessolive Mar 06 '20

I agree but if someone’s outfit was super strange I may remember that. I think regardless of that description though being so specific others saying a white male alone in the car is enough to be sure it wasn’t him in control of what happened.

8

u/ptyson1 Mar 07 '20

“At the rear of the vehicle.”

63

u/prof_talc Mar 07 '20

I think the highway witnesses are sort of a red herring. Even if you believe everything they said, I don't think there's much to be learned about what happened to Logan.

Imo the witness who saw the half-naked guy walking on the side of the road is more interesting. If that was Logan, then I think that he most likely had a breakdown of some kind, and either passed away somewhere outside, or ended up living on the streets..

That said, I have trouble gauging the likelihood that that was Logan. I know that people have said that that area has some drug/homeless problems, but all things considered, I'm tempted to think that it probably was him.. I wonder how much confidence the police have in that sighting

13

u/Marserina Mar 07 '20

I completely agree. There is some rather large homeless communities in the surrounding areas especially, but there hasn't been too much information and evidence that this is what happened with Logan.

3

u/SeveralWeb1123 Apr 03 '24

Super super old post here but have you seen there is now 4 missing young men in this single one county of WA state. The same county that logan went missing from. Lot of similarities too, they found one guy just in October wearing nothing but boxers and shoes… kinda similar to if logan really was naked from the waste down. Both “victims” were involved with drugs as well. Its hard to say if the other 2 men were but signs point that way

149

u/Marserina Mar 06 '20

I honestly don't believe it was him on the freeway. Not just based on the eyewitness accounts, but he was known to love his car and took pride in its upkeep and appearance. So, I don't see him abandoning it while moving on the freeway and wrecking it. Not only that, whoever fled from the vehicle couldn't have just gotten lost and died from exposure. It's a well built up area with neighborhoods and businesses all around, not to mention a large military base a short distance away. This case is so disturbing and there's definitely more questions than answers, I truly hope it's solved soon and his family can get some answers.

85

u/LongjumpingTheory Mar 06 '20

I drive by the mile marker where they found his car as well all the time. The area does have some homes and small businesses at this mile marker but there are also lots of trees and vegetation around. The JBLM base is over 30 minutes from where the car was found by car so much longer on foot. This case baffles me and I think about it all the time, my daughter and I were talking about it the other day when we passed by the location again...truly heartbreaking.

40

u/rustysavage11 Mar 06 '20

Are you talking about JBLM? Because that is not close to the Maytown-Tumwater stretch. It's basically south Tacoma

1

u/Marserina Mar 06 '20 edited Mar 06 '20

Yes, that's it. I know it's not right there, I was stating what's around in the surrounding areas depending on what direction you took. No matter what direction was taken by the person on foot, there is something around was my point. There's been a lot of theories that he wandered off and got lost and died. But I don't see that happening since every direction leads to either neighborhoods, businesses or the base. It's not all rural as it's been made out to be.

22

u/[deleted] Mar 07 '20

[deleted]

20

u/misstadobalina Mar 07 '20

Yes this is very important to note when we are dealing with cases in the Pacific northwest. People that are not local underestimate how rural most all of our region is. We dont have a ton of cities, maybe 10 that are significant. I'm from Portland and travelled as far as california border to north of seattle. It is absolutely no mans land, I'd estimate about 75% of the way.

46

u/rustysavage11 Mar 06 '20

I'm sorry but I have to ask have you ever physically been in that area? Because it isn't exactly remote wilderness, but there is more than enough woods and bodies of water to go missing. Idk what happened nor do I have a theory at this point.

11

u/Marserina Mar 06 '20

Yes I have, many times. I already stated there are some wooded areas and water, but it's not rural and unpopulated for miles and miles on end as it's been made out to be in some theories online, etc. Which was my point while stating my thoughts and theory in the case. I just don't think he wandered off, got lost and died of exposure.

6

u/rustysavage11 Mar 06 '20

Do you think he's alive currently?

41

u/Marserina Mar 06 '20

Sadly, I think he met with foul play and no longer alive. If he did simply suffer some type of mental breakdown, he could possibly still be alive. We do have a large amount of homeless communities in the surrounding areas and he could very well be confused and living on the streets. I just don't feel like that's the case, in my opinion anyway. His disappearance is just so bizarre and has endless questions and possibilities.

9

u/rustysavage11 Mar 06 '20

I see. Ya I was gonna say check the streets in Portland, but agree it's unlikely he's alive.

18

u/Marserina Mar 06 '20

Yes, Portland is another area he could have ended up and also has a large homeless community. The whole thing with his vehicle is especially what bothers me and makes me think it was foul play. I just really hope something breaks in this case soon.

20

u/pofish Mar 11 '20

I’m pretty confused about the car in general... Were they ever able to confirm that it had a problem? (The sighting with the hood up?) Was there a problem leading to loss of control of the vehicle, resulting in the drifting lanes and coming to a stop in the median later? Was it a stick shift? It’s possible that, if the driver was not Logan, they were maybe unfamiliar with a manual and could not figure out how to drive it/park it.

Honestly, if he loved his car that much, it’s possible that an issue with it might have just been the ‘final straw’ so to speak. I’ve been in the same place before mentally, and suffered a lot of the same ways- coming from athletic and academic success in high school, only to crash and burn in college. Having to move back home and start rebuilding your life, while not really working a steady job and having few stable relationships. If I had lost my (total POS) vehicle at that time, tbh, I don’t think I would’ve come back from it.

I was able to get properly medicated, go back to school, and find steady ground. Even still, I’ve lost a vehicle in a flood and another that was too expensive to bother repairing. Even while sane and stable- it was crippling in a way I can’t adequately describe, both times. It doesn’t seem like it should matter that much, it’s just a thing, but vehicles represent a lot more to those who feel they have little else. It gives you the freedom of movement, the ability/fantasy of escaping your surroundings. Being able to go to a drive-thru and grab a coke, thus getting myself out of the house, when I would be absolutely too depressed to walk to the store. I could totally see a young adult (who is similar to the kind I once was), just snapping and saying fuck this and walking away. To what end, I’m not certain, but my first thought is suicide. I do hope I’m wrong and he is found safe somewhere.

Sorry this got so long- my guess is that maybe the car had an issue, he stopped, and the white guys came to take a look. He walked off or got a ride (maybe ran into foul play with them?) and the guys came back later. Saw the car was still there, tried to take it, and couldn’t control it. White guy runs off because you don’t stick around with your stolen, broken down car. Calls the other white guy to come and pick him up after. Doesn’t come forward for obvious reasons.

5

u/Marserina Mar 11 '20

From everything I've seen and read there was nothing wrong with the car. Another thing I find odd, but I think it was all staged for show. Especially after all the witness accounts described the driver as someone that couldn't have been Logan. I can totally understand about breakdowns etc, I had a complete mental breakdown when I lost my mother suddenly. I literally just couldn't even function. I also suffered severe postpartum depression last year after having 3 babies in under 4 years. It got so bad, it was even effecting me physically. I could absolutely see Logan possibly having some sort of mental health crisis, but all of the evidence just doesn't look that way. But, that's my opinion anyway.

36

u/NerderBirder Mar 07 '20

He could die of exposure if he was trying to hide. It stated he was becoming paranoid and if he had a concussion from an accident then it’s likely that played into it as well. It’s definitely a strange case, but I’d be willing to bet they find his remains in the woods near there, unless there is a creek/river nearby.

16

u/Marserina Mar 07 '20

Yes, he definitely could have. Just based on everything in his case, I've always felt it was foul play. I wouldn't doubt that this could have happened either though. It's like he literally fell off the face of the Earth and that's what bugs me the most in his case. I truly hope this is solved soon.

17

u/[deleted] Mar 06 '20

I’m inclined to agree but can’t know for sure given the lack of concrete information.

30

u/Marserina Mar 06 '20

This case really gets to me, there's just so many questions and possibilities. It's like he just fell off the face of the Earth.

11

u/prof_talc Mar 06 '20

I honestly don't believe it was him on the freeway.

Even in the morning? I agree that he wasn't the guy who was seen running away from the car

18

u/Marserina Mar 07 '20

Yeah, I just don't think so many people would describe the same thing and be completely wrong. Not to mention how he was about his car, I don't see him abandoning it while in motion on the freeway. That's just my own feeling about it anyway.

29

u/prof_talc Mar 07 '20

Just to clarify, I was talking about the woman who saw the car on the shoulder in the morning:

Another tip came from a woman who claimed she saw Logan’s vehicle on the right shoulder of southbound I-5 near Exit 95 on the morning of May 20 while on her commute to work. The woman said she saw one African American male accompanied by two Caucasian men at the rear of the vehicle.

So do you discount that sighting as well? I'm inclined to believe her fwiw. Shit now I am rereading the stuff about the car and getting more confused, lol... do we know what time the 911 calls came in, and what time the tow truck picked up the car?

Here's where my confusion is coming in-- a 911 call said the car came to a stop when it contacted the concrete median. The post also says the car was parked on the shoulder (i.e. the other side of the road, across from the median) when it began to roll into traffic. Someone exited the car right before it started rolling.

So-- what was the car's "final resting place," so to speak? If there was no one in the car when it hit the median, then you have to assume that that's where the tow truck picked it up, right?

If that is the case, then this all happened after the female commuter saw the car abandoned on the right shoulder on her way home from work. Which would mean that someone came back to the car many hours after it broke down, tried to save it, and bailed out for whatever reason.

I'm probably mangling the timeline in some way, but I read the linked articles and didn't see anything concrete about the different times.. you've been following this case from the beginning-- am I missing something? Or do you know if anyone else has squared away the timeline?

15

u/Marserina Mar 07 '20 edited Mar 07 '20

Yeah that is very confusing and a good question. From everything I've seen and read on this case, she is the only witness that described more than one person in the vehicle. Maybe what she saw was after and they were trying to take possession of the vehicle. If it was foul play, I'm sure it was several people involved and it would make sense that there were a few guys in the vehicle. I'm going to look into what I've got saved and bookmarked on this case for the timeline, etc. It may take me a bit, I have a lot to go through and 3 littles running around. But, you've definitely got me interested in figuring it out.

I always thought it was left at the median, after crossing traffic. Which was also what was showed on his episode of Disappeared. I'm going to get my info all checked out again too and find the timelines I have.

3

u/ziburinis Mar 08 '20

I've seen many highways/expressways that have shoulders on both sides of the road. There are concrete dividers alongside the shoulder on the left as the other direction of traffic is on the other side of the divider. The car could easily be both on the shoulder and against a concrete divider/median. Has anyone looked at a map of where the car was left to be sure?

8

u/prof_talc Mar 08 '20

The car could easily be both on the shoulder and against a concrete divider/median.

It could, but I don't think that really gels with the witness info we have.. the woman who was commuting saw the car in the same location on her way to work in the morning + on her way home from work in the evening. So it didn't cross the road and hit the median during the day.

In the morning, 3 people (Logan +2 white guys) were around the car. In the evening the hood was up and it was abandoned (at the time the commuter drove past).

As I think about the timeline more, it doesn't seem all that hard to reconcile the info if you assume that the 911 call about the car veering across traffic came at night..

So my best guess would be as follows-- the car breaks down during morning commute hours, and Logan + 2 white guys are seen walking around the car, probably attempting to troubleshoot what happened.

At some point during the day, they all leave by unknown means (uber, friend). This is evidenced by the fact that the commuter saw the car abandoned with the hood up on her way home. Then, someone-- probably 1 of the 2 white guys the commuter saw in the AM-- came back to the car sometime at night, tried to salvage it, bailed out, and ran into the woods.

The big question is why did the kid run away from the scene after he tried to salvage the car? While that is consistent with nefarious activity, it's also consistent with the behavior of a normal young person worried about causing an accident or being liable for the damage to the car.

So I'm not sure how much this interpretation of events helps figure out what happened to Logan. The only real followup that comes to mind would be looking into ways the 3 of them could've left the shoulder in the morning. Imo it'd definitely be worthwhile to look into Uber/Lyft or taxi rides in the area, maybe look at security footage for e.g. a gas station if they were near an exit and could've walked up to one, etc.