The Ridgefield Park Detective Bureau currently consists of one Detective Sergeant and three Detectives. Detective Sergeant DiStasi is the supervisor of the detective bureau and also conducts investigations, supervises investigations conducted by patrol officers, as well as coordinates investigations with outside agencies.

The Detective Bureau conducts follow-up investigations after a patrol officer takes the initial report. The detective bureau is also tasked with initiating investigations and disseminating intelligence regarding criminal activity to the entire police department. The detective bureau has the ability to investigate minor crimes and conduct complex criminal investigations including, but are not limited to, sexual assaults, aggravated assaults, burglaries, thefts, robberies, narcotic offenses, unattended deaths, and most recently a bank robbery. The Detective Bureau also assists Patrol Officers with investigations and conducts proactive investigations specific to narcotic offenses and other offenses.