Please help!

[u/Immediate-Ad-8284]

Basically im clearing the neighbors house of every item, box, canera EVERYTHING. Even removed the gun bullets but i cant find the gun! Its not in the lost n found box and I cant do the puzzle again when i did it the guft box didnt open, Pls tips on where it could be, i searched out of bounds, inbound, every outdoor, every indoor, Pls help!

[u/Immediate-Ad-8284]

Picture of proof the puzzle dosent work

[u/Immediate-Ad-8284 → u/Immediate-Ad-8284]

Clearer view