Michael Anthony Marshall, Jr., 33, was shot and killed in Washington, D.C., in the early morning hours of Monday, May 4, 2015. Officers responded about 12:22 a.m. to the 300 block of Ridge Road SE after gunshots were reported and found Marshall in a parking lot with at least one gunshot wound; he was pronounced dead at the scene. He was a resident of Fredericksburg, Virginia.

The Metropolitan Police Department opened a homicide investigation but initially released no information about suspects or a possible motive. The department asked the public for help and offered a reward of up to $25,000 for information that would lead to an arrest and conviction. The shooting was listed among that year’s unsolved homicides.

If anyone remembers seeing activity near Ridge Road SE around midnight on May 4, 2015, or has other information about Michael Marshall’s killing, contact the Metropolitan Police Department.