William Robertson was 85 when he was last seen in Los Angeles on August 18, 1986. He is described as a Black male, 6 feet 0 inches tall, about 145 pounds, with gray hair, brown eyes, a scar on his elbow and a full set of dentures. The circumstances of his disappearance are called suspicious and he is listed as an endangered missing person.

Few details are available about what happened that day, and he has not been heard from since. The Los Angeles Police Department is the investigating agency and the case is filed under number 86-1322844. The case remains open.

If anyone knew William, saw him on or after August 18, 1986, or has any information that could help, please contact the LAPD about case 86-1322844.