The Homicide Unit is investigating a domestic-related murder/suicide in Upper Marlboro. The victim is 55-year-old Dannette Lawrence of Meadow Lark Avenue in Upper Marlboro. The deceased suspect is 59-year-old Derrick Lark of the 3900 block of Alta Vista Drive in Mitchellville. The suspect was the victim’s ex-boyfriend.

On August 12th, at about 2:15 pm, a family member called 911 to report a domestic dispute inside of a home in the 9600 block of Meadow Lark Avenue. When the officers arrived, they found the victim and the suspect each suffering from a gunshot wound. Both were pronounced dead on the scene.

The preliminary investigation reveals Lark shot and killed Lawrence before taking his own life.Anyone with information on this case is asked to call the Homicide Unit at 301-772-4925. Callers wishing to remain anonymous may call Crime Solvers at 1-866-411-TIPS (8477), or go online at, or use the “P3 Tips” mobile app (search “P3 Tips” in the Apple Store or Google Play to download the app onto your mobile device.)