Public Information Officer

Detective MattessichThe Public Information Officer (PIO) for the Franklin Borough Police Department is Detective-Sergeant Nevin J. Mattessich. The PIO prepares news releases, coordinates print and broadcast coverage of agency events, and acts as the liaison between the Franklin Borough Police Department and the local and national media at crime scenes and other activities which generate media interest.

It is the policy of the Franklin Borough Police Department to cooperate fully and impartially with authorized news media representatives in their efforts to gather factual, public information. The Franklin Borough Police Department will make every reasonable effort, consistent with accomplishing our police tasks, and in compliance with New Jersey State law, in providing members of the media with accurate information as dictated by policy in all matters and dealing with the media on current events. The Franklin Borough Police Department will not release any information that would jeopardize a criminal investigation or infringe upon an individual's constitutional rights. This includes information concerning juveniles or sexual assault victims.

If you need to contact the Public Information Officer call the Franklin Borough Police Department 973-827-7700 extension 231 or 862-268-1401 or e-mail 

Detective Hollywood

  1. Detective-Sergeant Nevin J. Mattessich

    Press Information Officer - PIO
    Detective-Sergeant Nevin J. Mattessich has been employed with the Franklin Borough Police Department since January 2003. He has been assigned to the Detective Bureau since March of 2012. He graduated from Caldwell University and received a bachelor’s degree in criminal justice with a minor in communications. He is a graduate of the Cape May County Police Academy where he attended as an alternate route candidate.

    Patrol Experience
    In January of 2003 he was assigned to the patrol division of the Franklin Borough Police Department and was responsible for investigating offenses including but not limited to:
    • Burglary
    • Domestic Violence
    • Motor Vehicle Crashes
    • Motor Vehicle Violations
    • Narcotics
    • Robbery
    • Sexual Assault
    • Shoplifting Offenses
    • Theft
    Detective Experience
    In March of 2012, he successfully transitioned from patrolman to the detective bureau and has been the lead investigator on many incidents involving:
    • Burglaries
    • Domestic Violence Incidents Involving Indictable Offenses
    • Fraud
    • Hostage Situation
    • Narcotics
    • Serious Motor Vehicle Accidents Involving Serious Injury or Death
    • Sexual Assaults
    • Thefts
    • Weapons Cases
    In June of 2017, he attained the rank of Detective-Sergeant.

    He has attended several courses and seminars where he received certifications showing proficiency in:
    • Warrant execution
    • Identifying deceptive behavior
    • Alco-test operator
    • Field sobriety testing
    • Subjects under the influence of narcotics
    • Tactical interviewing
    • Field training for new officers
    • Major crimes investigation
    • Drug identification
    • Conducting pre-employment background investigations
    • Narcotics training entitled “top gun,” methods of instruction
    • FBI tactical approach to media
    • Computer crimes
    • Effective death investigations
    • Hostage negotiation
    He has received a certificate of achievement from the U.S. Department of Justice - Federal Bureau of Investigation for attending and successfully completing course requirements for Crisis Negotiations. In addition, he has attended and successfully completed “The Reid Technique of Interview and Interrogation” as well the “The Advanced Course on Reid Technique of Interview and Interrogation.” He has also completed advanced training in interview and interrogation from Zulawski and Wicklander.

    Police Academy

    Detective Sergeant Mattessich is a per-diem instructor at the Morris County Police Academy instructing police trainees on narcotics as it pertains to title 2C of New Jersey, and provide in-service training specific to officers achieving certifications to instruct at the Police Academy level.