Robert Peterson Missing Person Case

Robert Don Peterson, a 64-year-old man from Sacramento, California, was last seen on December 1, 2019. His family lost contact with him and has not heard from him since that time. The Sacramento County Sheriff's Office is the investigating agency in his disappearance. Peterson, who is also known by the nicknames "Eight Ball" or "Shadow," is a white male with brown, balding hair and hazel eyes. At the time he went missing, he was 5 feet 8 inches tall and weighed approximately 140 pounds.

The circumstances surrounding his disappearance remain unclear, with the primary detail being the cessation of all communication with his family in December 2019. His last known location was in the 95821 area of Sacramento. There is no information available regarding the clothing he was wearing at the time of his disappearance or any potential means of transportation.

The case was officially created on NamUs, the National Missing and Unidentified Persons System, on March 13, 2026, under case number MP156537, with the agency case number 2025-332566 from the Sacramento County Sheriff's Office. A photograph of Peterson, taken in September 2019, has been released in the hope that it may assist in generating leads. As of the latest information, his case remains unresolved, and he would currently be 70 years old.
Last Seen: Dec 1, 2019

Robert Warren Peterson | State of California - Department of Justice