An off-duty Washington, DC, police officer who lives in Baltimore was killed and a woman was wounded Saturday in a shooting in West Baltimore, police say.

At about 12:45 a.m., officers found the two shooting victims in the Panway/Braddish Avenue neighborhood, the Baltimore Sun reports.

Tony Anthony Mason Jr., 40, was found with gunshot wounds to his body, according to police. Mason is a sergeant with the Metropolitan Police Department in Washington.

Police said investigators believe the victims were inside a parked car when an unknown suspect approached, began shooting, then fled, police said.

The Metropolitan Police Department said Mason was a 17-year veteran of the force. He lived near the Frankford area of Baltimore, according to public records.