Update: Missing 39-year-old man found dead in vehicle

Nicholas R. Knowlton, 39. who was reported missing by his family on Tuesday, was found dead in his vehicle Wednesday morning.

A citizen’s report on a vehicle matching the description of Knowlton’s 2005 Nissan Armada prompted Spokane Police Officers to investigate. They found Knowlton, deceased, inside, according to a realease from the Sheriff’s Office.

Police do not currently suspect any criminal activity was involved.

Knowlton did not show up for work on Tuesday, prompting his family to contact authorities. The family had not seen him the day prior, according to a release from the Sheriff’s Office.

Knowlton had been dealing with personal problems and had been displaying unusual behavior prior to his disappearance, the release notes.