Prosecutor’s Bio

Jill S. Mayer Acting Camden County Prosecutor

Jill S. Mayer was sworn in as the Acting Camden County Prosecutor on October 1, 2019.  Prior to coming to the Camden County Prosecutor’s Office,  A/Prosecutor Mayer spent over 24 years with the Office of the Attorney General,  Division of Criminal Justice (DCJ).  There she served as a Deputy Director, and supervised the Gangs & Organized Crime Bureau, the Specialized Crimes Bureau, and Shooting Response Team.  In addition to managing those Bureaus and the Shooting Response Team, A/Prosecutor Mayer, reviewed all Officer Involved Shootings submitted by the Counties for review to forego Grand Jury as it relates to the officers’ use of force, supervised the New Jersey State Police Witness Relocation Program, and was counsel to the Attorney General on matters involving electronic surveillance. A/Prosecutor Mayer also approved all County Prosecutors’ requests to charge Racketeering.


Prior to becoming Deputy Director, A/Prosecutor Mayer was Chief of the Specialized Crimes Bureau for four years where she oversaw several units including the Atlantic City Violent Crimes Task Force, Motor Vehicle Commission Unit, Labor Prosecutions, Interstate Theft, Environmental Crimes, Alcohol Beverage Control, Bias Crimes and Casino Prosecutions.  Before becoming Bureau Chief of Specialized Crimes, A/Prosecutor Mayer served as a Deputy Attorney General  in the Gangs, Organized Crime and Racketeering Bureau for over 14 years. There she prosecuted hundreds of firearms offenses, violent gang members, large-scale multi-defendant racketeering enterprises, leaders of narcotics trafficking and attempted murder cases, among others.  The majority of those cases were venued in Camden County.  Prior to that, she served in the Casino Prosecution Bureau for six years in Atlantic City prosecuting crimes that occurred on the casino floors such as money laundering, theft and cheating at casino gaming.

A/Prosecutor Mayer is on the faculty of the Attorney General’s Advocacy Institute and has lectured on Cooperating Witnesses, Multi-Defendant Prosecutions, Racketeering and Wiretaps, Trial Advocacy, and Managing Up.  As a member of the Top Gun Narcotics School faculty, A/Prosecutor Mayer has been teaching Communications Data Warrants for that program since 2013, and teaches Electronic Surveillance at the Division of Criminal Justice’s Training Academy at Sea Girt, New Jersey.

Before joining DCJ, A/Prosecutor Mayer served as a law clerk to the Honorable Albert J. Garofolo, Presiding Judge, Superior Court, Criminal Division, in Atlantic County.  She graduated with honors from Dickinson College, in Carlisle, Pennsylvania, with a B.A. in Political Science in 1990, and received her law degree from Widener University School of Law, Delaware Campus in 1994.

In May of 2019, A/Prosecutor Mayer received the Attorney General’s Lifetime Achievement award for her exemplary career with the Division of Criminal Justice.   She has devoted her career to public service and  continues to do so for the citizens of Camden County, the county in which she resides, in her role as Acting Camden County Prosecutor.

First Assistant Prosecutor’s Bio

Mary Ellen Murphy Acting Camden County First Assistant

Mary Ellen Murphy joined the Camden County Prosecutor’s Office in January 2005.  Ms. Murphy served for five years as an Assistant Prosecutor in the Trial Team Unit where she tried numerous cases involving various crimes, including drug distribution, theft, burglary, robbery, aggravated assault, sexual assault and homicide.  Ms. Murphy also completed a one-year rotation through the Grand Jury Unit where she learned to asses a case at initial screening immediately after a complaint was filed, to present cases to the grand jury, to formulate plea offers pre-indictment, and to defend an indictment at a hearing on a defense motion to dismiss.

Ms. Murphy also served in the Domestic Violence Unit for five years, during which time she was promoted to the title of Deputy Section Chief.  In the Domestic Violence Unit, Ms. Murphy was responsible for charging decisions as an on-call legal advisor, grand jury presentments, pleas and trials.  In that unit, she developed a deeper understanding of the value of evidence-based prosecution as a result of the fact that victims of domestic violence are sometimes unwilling or unable to cooperate with the prosecution of their assailants.

In August of 2016, Ms. Murphy was promoted to the position of Section Chief of the Grand Jury Unit.  She was responsible for supervising the screening of more than 10,000 cases annually while overseeing programs including Central Judicial Processing, Centralized First Appearances, Detention Hearings, Pre-Indictment Conferences, Grand Jury Presentments, Drug Court, Pre-Trial Intervention and victim conferences.  In 2017, with the implementation of the Criminal Justice Reform Act (CJRA), the Grand Jury Unit, under the direction of Ms. Murphy, was charged with the task of implementing the policies and procedures for the Camden County Prosecutor’s Office.  As Section Chief of the Grand Jury Unit, Ms. Murphy was also responsible for coordinating the training of law enforcement personnel from all 37 municipalities within Camden County regarding the extensive new criminal complaint procedures and processing as a result of the CJRA.

Before joining the Camden County Prosecutor’s Office, Ms. Murphy worked as a private criminal defense attorney for several years.  She also served as a law clerk to the Honorable Linda G. Baxter, former Presiding Judge of the Criminal Part of the New Jersey Superior Court, Camden County.  Ms. Murphy received her Bachelor of Arts Degree cum laude from Rosemont College and her Juris Doctor from Rutgers University School of Law-Camden.

Chief of Detective’s Bio

Jeffrey S. Dunlap Camden County Chief of Detectives

Jeffrey Dunlap began his law enforcement career in 1994 as a Patrol Officer with the Palmyra Police Department in Burlington County.  He was promoted to the rank of Sergeant in 1999 and worked in the Patrol Division.

He was hired as a Detective with the Camden County Prosecutor’s Office in April of 2001. As a Detective, Chief Dunlap worked in the Grand Jury Unit, Narcotics Unit, Major Crimes Unit, and was assigned to the Federal Bureau of Investigations Violent Crimes Task Force.

He was promoted to the rank of Sergeant in November of 2013. As a Sergeant, Chief Dunlap supervised the Juvenile Unit, Major Crimes Unit, Special Victims Unit, and the Homicide Unit. He was promoted to the rank of Lieutenant in October of 2017, where he supervised the Major Crimes Unit, Homeland Security Unit, and the Special Victims Unit. After being promoted to Captain in September of 2018, Chief Dunlap supervised the daily operations of the Major Crimes Unit, Homeland Security Unit, Special Victims Unit, and the Crime Scene Unit.

Promoted to Acting Chief in August of 2019, he now oversees a staff of 106 sworn detectives and 15 agents.

Chief of Staff’s Bio

Mike Mangold Chief of Staff

Michael G. Mangold has been the Chief of Staff for the Camden County Prosecutor’s Office since July 2014.  Mr. Mangold assists the administration in executing control and direction over the management of accounting, budgeting and auditing functions, human resource management, administration support services, and the development of management information systems.

Mr. Mangold is a former law enforcement officer with 25 years of experience.  He retired from the Camden County Prosecutor’s Office in 2010, as a Lieutenant and a Commander on the Governor’s Plan against Violent Crime in Camden.  During his years of service with the CCPO, Mr. Mangold was the Supervisor of the Long-Term Narcotic Investigative Unit, Commander of the High Risk Entry Team, Deputy Commander of the High Intensity Drug Trafficking Area Task Force (HIDTA), and Commander of the Domestic Violence Unit.

During his initial service with the CCPO, Mr. Mangold also worked as a detective in the Grand Jury Unit, Major Crimes Unit, Organized Crime Unit, and Narcotics Unit.  He also volunteered his time to serve as a Class Coordinator, Fitness Instructor, and Firearms Instructor at the Camden County Police Academy, and as P.B.A. Union President of the Superior Officers Association.

Before joining the CCPO, Mr. Mangold served as a teacher in Camden City elementary and middle schools.  He also volunteered his time as a sports coach in Camden.

Mr. Mangold earned his Bachelor of Arts Degree from Rutgers University-Camden and his Masters of Arts in Human Resources Training and Development from Seton Hall University.