On the evening of March 27, shots rang out on North Spruce Street in Denver. When first responders arrived they found 32-year-old Mark Dylan Williams shot; he died of his injuries. The Denver Police Department opened a homicide investigation and in the days after the shooting identified a person of interest.

Authorities released surveillance images and video showing a man in a black jacket and hat walking down the street; the footage is grainy and the man’s identity remains unclear. No arrests have been announced and the investigation remains active.

If anyone saw activity on North Spruce Street the evening of March 27 or recognizes the person in the footage, please come forward with information.