September 2025 News Release- Authorities Investigate Double Hillsborough Homicide & Officer Involved Shooting

HILLSBOROUGH, N.J. – Somerset County Prosecutor John P. McDonald, Somerset County Prosecutor’s Office Chief of County Detectives Francisco Roman Jr., and Hillsborough Township Chief of Police Michael McMahon announced an on-going double homicide investigation in Hillsborough Township, New Jersey.

Prosecutor McDonald stated that on Thursday, September 25, 2025, at approximately 4:12 p.m. Hillsborough Township Police received a request to conduct a check on the occupants of a residence on Cornell Trail. 

Responding Officers attempted to contact the residents with negative results. Subsequently at approximately 6:24 p.m., officers were successfully able to enter the residence. While performing a check on the second floor of the residence, officers encountered an adult male with a weapon, which resulted in a Hillsborough Township Police Officer discharging his duty weapon and striking the assailant. 

Officers immediately began performing life saving measures on the assailant who was transported to an area trauma center, where he is currently listed in critical condition. Officers discovered two deceased homicide victims, an adult male and adult female, both located within two separate bedrooms on the second floor of the residence. Both victims were pronounced deceased at the scene by medical personnel from Robert Wood Johnson University Hospital, Somerset.

Prosecutor McDonald stated that detectives from the Hillsborough Township Police Department along with detectives from the Somerset County Prosecutor’s Office Major Crimes Unit, the Crime Scene Investigations Unit, Medical Investigators from the New Jersey Northern Regional Medical Examiner’s Office, and the New Jersey Attorney Generals Office of Public Integrity and Accountability Fatal Police Encounters Unit responded to the scene to conduct the investigation. A postmortem examination is scheduled to be performed by the Northern Regional Medical Examiner’s Office to positively identify the victims and determine the cause and manner of death. The investigation remains on-going and no further information will be available for release at this time.

Prosecutor McDonald stated that in accordance with N.J.S.A. 52:17B-107(a)(2), the officer involved shooting investigation is being conducted by the New Jersey Attorney General’s Office.

Prosecutor McDonald, Chief Roman, and Chief McMahon request anyone with information relating to this homicide investigation to contact the Somerset County Prosecutor’s Office at (908) 231-7100 or the Hillsborough Township Police Department at (908) 369-4323 or via the STOPit app. The STOPit app allows citizens to provide anonymous reports including videos and photos. STOPit can be downloaded to your smart phone for free at the Google Play Store or Apple App Store, access code: SOMERSETNJ. Information can also be provided through the Somerset County Crime Stoppers’ Tip Line at 1-888-577-TIPS (8477). All anonymous STOPit reports, and Crime Stopper tips will be kept confidential.

Note: The following information is based on a preliminary and ongoing investigation, which continues to evolve as investigators interview witnesses, review physical and electronic records, and analyze forensic evidence. The Somerset County Prosecutor’s Office’s understanding of the facts and circumstances may change as additional evidence is collected and analyzed.

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