Richard Thomas Perry was 42 when he was shot and killed during a robbery while working as a Diamond Cab driver in Washington, D.C., on the evening of March 1, 1976. The shooting happened near 6th and Massachusetts Avenue NE at about 6:30 p.m., with a passenger in the cab at the time.

The Metropolitan Police Department opened an active homicide investigation, but details of the confrontation are sparse and the case grew cold. No arrests or public identifications of suspects have been made, and the MPD continues to list the case as open.

If anyone remembers that night, the cab, or a passenger seen near 6th and Massachusetts Avenue NE on March 1, 1976, please contact the authorities with any information.