Missing Since: 1987-11-20 Location: Chula Vista, California
Cosio was last seen departing his construction job, driving a company truck, in Chula Vista, California on November 20, 1987. Three days after he was last seen, investigators the truck parked along Otay Lakes Road. There was no sign of a struggle in or around the vehicle, but its keys were missing. Cosio has never been heard from again and his case remains unsolved. Investigating Agency Chula Vista Police Department 619-691-5151 Source Information California Attorney General’s Office The Doe Network . .