ATLANTA -- Atlanta Police said blood was found inside the vehicle of a man who went missing after a Craigslist meetup.

Vicente Cruz told a friend he was meeting someone he met on Craigslist to sell his 1989 black Ford F-150. She left Cruz there, because he said the buyer wanted to check out the truck and he would call her when he needed a ride back. He never called.

The meetup happened on May 1, Cruz was reported missing on May 3. He was last seen at 705 S. Grand Ave. NW in Atlanta.

Atlanta Police Lt. Ricardo Vazquez said that police recovered Cruz's vehicle at a motel located at 1641 Peachtree Street on May 2. There was blood inside the vehicle, Vazquez said. Cruz did not a have a room at the motel, and the vehicle was not registered to anyone at the motel.

On May 5 -- Cruz's birthday -- Atlanta Police asked for the public's help in finding him. Authorities believe foul play could be involved. If you know any information about Cruz, you can call the Atlanta Homicide/ Missing Persons Unit at (404) 546-4235.