The Police Legal Advisor of the Essex County Prosecutor's Office is responsible for providing all law enforcement officers in the County with legal advice. One Assistant prosecutor is designated as the Police Legal Advisor, with one Appellate Attorney acting as the primary back-up to this position and the Appellate section as the secondary back-up. The Police Legal Advisor is on call on a 24 hour basis. The Advisor also trains recruits at the Essex County and Newark Police Academies, conducts in-service training at numerous locations throughout the County, and helps develop county-wide law enforcement policies. The Police Legal Advisor also reviews search warrant applications, Grand Jury Subpoena applications as well as applications for Communication Data Warrants.

In both 2008 and 2009, the Police Legal Advisor provided training for five police recruit classes, two Deputy Sheriff Classes, two Juvenile Detention Officer Classes, and two Corrections Officer classes. The Police Legal Advisor also taught at the State Police Academy, the Auxiliary Police Program, Junior Police Academy, and at dozens of in-service training programs throughout the County. The Police Legal Advisor also maintains an active relationship with the County Chiefs of Police and made several presentations at their Association Meetings.