William Burke Jr., 34, was found suffering from gunshot wounds early on Sunday, August 2, 2015, in the 800 block of 18th Street NE in Washington, D.C. Police responded to a robbery report at about 5:30 a.m., discovered Burke unconscious, and he was taken to a hospital where he was pronounced dead. Friends and acquaintances knew him by the nickname Chill.

Authorities believe the incident may have been a robbery. The Metropolitan Police Department has kept the case active and has offered a reward of up to $25,000 for information leading to an arrest and conviction. No arrests have been announced and no suspects have been publicly identified, leaving the case listed among the city’s unsolved homicides.

If anyone knew William Burke Jr., his routines, or witnessed activity around 800 block of 18th Street NE that morning, please share what you know.