Police Academy 4: Citizens on Patrol (1987)

"Faced with the current situation that it was difficult for the police to do their jobs in a timely manner, Principal Lasare came up with a bizarre idea and launched the "Police for All" plan, in which the police academy is responsible for training social volunteers to strengthen the relationship between the police and the people. Ever since, Mahaney (played by Steve Guttenberg), Tower and others..."