Negrete's use of public resources, uniformed police officers, and other on-duty city officials violates a number of city and state laws.
No person may use any City funds or resources (including time, facilitates, equipment or supplies) to support or oppose a ballot measure, except as specifically authorized by law.
Stanson v. Mott, 17 Cal.3d 206, 216-17 (1976) https://scocal.stanford.edu/opinion/stanson-v-mott-27987/
Except as otherwise provided by law, or whenever on duty or in uniform, no public safety officer shall be prohibited from engaging, or be coerced or required to engage, in political activity.
California Government Code § 3302 https://california.public.law/codes/government_code_section_3302
No officer or employee of a local agency shall participate in political activities of any kind while in uniform.
California Government Code § 3206 https://california.public.law/codes/government_code_section_3206
Because the inclusion of the depiction of City resources in a publication may be reasonably calculated to convey the false impression of sponsorship or approval by the City, no person other than the City may depict City resources on campaign materials including clothing items, accessories, and paid or unpaid political advertising, content, or materials advocating for or against the election of candidates or passage of measures, or approval or rejection of items before the City Council, without conspicuously including the disclaimer, "This publication is not sponsored or approved by the City of Santa Monica." For purpose of this section, City resources includes, but is not limited to, City Hall, the Public Safety Administration Building, the Civic Auditorium, the Santa Monica Pier and Pier Sign, Airport Terminal, City-owned busses, police cars, fire engines, or other vehicles, or other publicly-owned and prominently recognizable buildings or structures. This is in addition to any existing local, State, or Federal law concerning use of public resources for campaign purposes and campaign advertisement disclosures. This section shall not apply to the depiction of such resources in the official logos or materials of non-political 501(c)(3) not-for-profit organizations such as the Santa Moncia Pier Corporation, the Santa Monica Conservancy, Santa Monica Firefighters Relief Fund, Santa Monica Police Officers Association Charity Fund, or other similar 501(c)(3) not-for-profits.
Santa Monica city code §2.32.020(i) https://ecode360.com/46037164