The trial is set to begin for a Virginia police officer charged with murder in the off-duty shooting of an 18-year-old at a car wash.

Richmond police officer David Cobb's trial is expected to begin Tuesday at the Chesterfield County Circuit. It's supposed to last three days.

A grand jury indicted Cobb in February on charges including second-degree murder in the death of Paterson Brown Jr. in October.

Officials say Brown got into the officer's vehicle at the car wash and drove it out of the washing bay. They say Cobb told him to get out and later shot Brown during an altercation. Cobb wasn't on duty.

Surveillance video from the car wash showed the officer and Brown struggled briefly before a shot was fired.

Both men are black.