Missing NJ teen's cell tracked to park

Photos of Riley Branstrom and the 1994 Chevrolet pickup truck police believe he is driving.

May 9, 2013 11:54:58 AM PDT
The search for Riley Branstrom tracked his cell phone to Freehold, but that's the last sign of him. The 18-year-old graduate from Hightstown High School was last seen near the school Monday afternoon. Authorities searching for him tracked his phone that night to a spot near Monmouth Battlefield State park.

Investigators think he was driving a 1994 Chevrolet pickup that is green and silver. It has New Jersey plates T31ADV.

Branstrom is about 5'10" tall, 160 pounds, with brown hair and brown eyes.

Anyone who can help find Branstrom is asked call East Windsor police at (609) 448-5678 or (609) 516-3876.