I was cycling home in the bay area San Fransisco when I saw bike patrol with no police department markings.?

Question

Yes no San Fransisco Police Department markings on the person or bike just curvilain clothes with a 30 ltr pack. He had Niterider Digital police system lights flashing blue and red, siren screaming and a very bright tail light. He was heading towards Golden gate brigde in a hurry. Do police bike patrol do undercover work, its very unusal to see them without hi viz markings, looked very strange indeed.

Answer 1

Bike Patrols must be properly marked and the users must be in proper uniforms and only undercover agents are authorized not to have signs and civilian clothes.