A domestic dispute on the night of October 5, 2023, in Capitol Heights, Maryland, ended with the death of 36-year-old Jammi Cooper. Cooper, a Washington, D.C. resident, was found outside in the 4100 block of Southern Avenue at about 10:50 p.m. suffering from gunshot wounds. He was taken to a nearby hospital and died several hours later.

Investigators say the shooting arose from an argument between Cooper and a 17-year-old male relative. The teen was located in Washington, D.C., taken into custody, and is being charged as an adult with first- and second-degree murder and other related offenses; he was awaiting extradition to Prince George’s County at the time of charging. Few public details have been released about what sparked the altercation.

If anyone witnessed the shooting or knew Cooper and can help clarify what led to the dispute, please share information with investigators.