Clarkstown police believe a drug dispute led to the killing of an 18-year-old New Jersey man Monday in Central Nyack.

According to police, three men were parked in a car at the intersection of Dickenson and Hall avenues around 7 p.m. Investigators say David Olmeda-Firestone was sitting in the back seat of the car when the man in the front seat shot him. After the shooting, the suspect took off running. The driver of the car was still at the scene when police got there.Police don?t know how the three men knew each other or how they ended up in the car together. Anyone with information is asked to contact the Clarkstown Police Department at 877-639-6233.