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Hunterdon County Prosecutor Renée Robeson, Morris County Prosecutor Robert Carroll, and Acting Essex County ProsecutorTheodore N. Stephens II announced today that a joint investigation by the Hunterdon County Prosecutor’s Office, Morris County Prosecutor’s Office, Clinton Township Police Department, and Fairfield Police Department resulted in the arrest of Joseph D. Demauex, 35, of Riverdale, Morris County. Demauex was arrested on February 16, 2022 and charged by the Clinton Township Police Department with third-degree burglary for an offense on January 10, 2022; by the Morris County Prosecutor’s Office with counts of third-degree burglary, third-degree theft by unlawful taking, andfourth-degree criminal mischief for offenses on December 25, 2021 and February 2, 2022 in Mount Arlington and Denville Township, respectively; and by the Fairfield Police Department with counts of third-degree burglary, third-degree theft by unlawful taking, andfourth-degree criminal mischief for offenses on February 2, 2022. Additional charges for offenses that occurred in other municipalities on other dates are also expected to be filed.

The joint investigation commenced after a string of burglaries werecommitted in Hunterdon County and northern New Jersey, including Morris and Essex Counties, over the course of several weeks. The suspect operated a motor vehicle with concealed license plates to travel to commercial businesses, where he made forcible entry and stole or attempted to steal money and property. Detectives identified the suspect’s vehicle and, following days of visual surveillance, determined that Demauex was the offender.

Prosecutor Robeson applauded the joint investigation. “We commend the remarkably coordinated multi-agency investigation that led to the arrest of Mr. Demauex. The proactive andexpeditious response to Mr. Demauex’s repeated burglaries bymembers of the Clinton Township and Fairfield Police Departments and the Hunterdon and Morris County Prosecutors’ Offices reflects the sophistication and professionalism of the New Jersey law enforcement community.”

This is an ongoing investigation, and anyone with relevant information is encouraged to contact Hunterdon County Prosecutor’s Office Sergeant Marc Wilson at (908) 788-1129.

Despite having been charged, every defendant is presumed innocent until found guilty beyond a reasonable doubt in a court of law.

Anonymous tips can be submitted by calling Crime Stoppers at 1-800-321-1000, going online at, or through the free “P3 Tips” smartphone app. All tips are anonymous and kept confidential. Crime Stoppers pays cash rewards for valid tips.

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