The Sheriff's Office's Office Internal Affairs Unit (commonly known as IA) protects the agency's integrity to ensure it fully complies with the ethical standards, performance criteria, and a steadfast commitment to public service.

The IA Unit carefully and impartially investigates complaints on any matter related to suspected misconduct. Additionally, IA assembles and reports necessary information to the State of NJ to identify patterns or potentially problematic areas within the agency. IA also performs extensive background investigations of Sheriff's Officer/Investigator applicants - to ensure that only the top candidates are selected.

It is the strict policy of the Mercer County Sheriff's Office to recognize and investigate any allegation of officer/employee misconduct. This policy follows ALL the New Jersey Attorney General's internal affairs police procedures, directives, guidelines, rulings, and reporting requirements. The Unit is known to work in full cooperation with the State Attorney General's Office and the Mercer County Prosecutor's Office to ensure the highest level of integrity for officers and staff.

Early Warning System - (V4C28)

Policy re. immigrant community - (V4C30)

Extreme Risk Protective Order - (V4C12)

Law Enforcement Drug Testing - (V1C15)

Mercer County Sheriff's Office Internal Affairs Summary Report for 2021

Mercer County Sheriff's Office Internal Affairs Summary Report for 2022

Mercer County Sheriff's Office Internal Affairs Summary Report for 2023

Mercer County Sheriff Random Drug Testing

2020 Annual Major Discipline Form

2021 Annual Major Discipline Form

2022 Annual Major Discipline Form

2023 Annual Major Discipline Form

Citizen Complaint Information Sheet

Citizen Complaint Form (V4C02.a1) - English

Citizen Complaint Form (V4C02.a1S) - Spanish

Citizen Complaint Form - Additional Languages