According to reports 53-year-old David Reese shot Thomas at 6:45 am at the DEP office where they were employed upstate New York.
Kingston police say they arrived on the scene just after 6:45 am where they found Thomas with a fatal gunshot wound. Shooter Reese, of Gilboa did not resist when he was arrested, according to Kingston Police Chief Egidio Tinti.
The Kingston DEP location employs just under 200 people and houses the agency’s water quality laboratory and offices, including some DEP police.
Reese has been employed by the DEP for 16 years as a mechanical and electrical technician.
Thomas was employed with the DEP for nine years as a watershed maintainer.
A cause of a possible confrontation or dispute between Reese and Thomas has not been reported.
The Department of Environmental Protection Agency provided an official statement regarding the tragedy.
"DEP is fully cooperating with local authorities in their ongoing investigation. Grief counselors will be made available to help DEP employees who have been affected by this tragedy,” reads the statement.
Reese is currently being held at Ulster County Jail without bail.