Police are searching for the suspect involved in a fatal shooting in Riverside Tuesday night. 

Officials say a Riverhead man was gunned down on Old Quogue Road in Riverside at around 9:30 p.m. Tuesday.

Authorities say they found the victim, 27-year-old Thomas Lacolla, fatally shot in a parked Mercedes Benz outside a home.

Police have not named any suspects in the incident or given any sort of motive.