NEWARK, N.J. (CBSNewYork/AP) — Authorities in New Jersey say an off-duty Essex County corrections officer has been shot dead in her car, shortly after she left a social club.

Acting County Prosecutor Carolyn Murray says 32-year-old Debora Ferreira of Irvington was shot just before 3 a.m. Sunday on Halsey Street in downtown Newark. She was unresponsive when found and was taken to University Medical Center, where she was pronounced dead a short time later.

READ MORE: Liana Wallace On 'Survivor' All-Black Alliance Falling Apart: 'Just Wanted Us To Make Top 8, Then We Can Have World War II''

Murray says a motive for the shooting is unknown. She declined to provide further details on the incident, which is under investigation by her office and Newark police.

The mother of a 1-year-old daughter, Ferreira had been with the county corrections department since July 2007.

READ MORE: Traveler Who Attended Anime NYC Convention At Javits Center Tests Positive For Omicron Variant

The Essex County Crime Stoppers have offered a $10,000 reward for information in the case.

Is crime getting worse in Newark? Sound off in our comments section below…

MORE NEWS: NYPD Standoff With Armed Man Outside United Nations Ends Peacefully

(TM and Copyright 2011 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2011 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.)