If you mean do they patrol in a car alone answering 911 calls,then no.A sector or any patrol car that has a primary job of responding to 911 calls must have 2 officers.Highway patrol are aloud to go solo because they are mostly responding to 911 calls regarding accidents,and traffic matters,and they are qualified to have a shotgun. read more
Where many police agencies do assign detectives in pairs, just as many or more deploy them singly. This is also true of patrol car staffing. Agencies like LAPD and NYPD routinely staff patrol cars with two officers, but most patrol officers work solo unless they are in a special assignment or training a new officer. read more
Vice team members also work with the NYPD Citywide Vice-Enforcement Division on large-scale investigations involving human trafficking, and prostitution. Gang Squad detectives collaborate with other members of law enforcement, community groups, and schools. read more