Mark Daniel Davis, 48, was walking to a bus stop in Centennial, Colorado, in the early morning hours of January 18, 2019, when he was ambushed and fatally shot. A disabled father of six who walked with a cane because of severe arthritis, Davis was described as a quiet man who kept to himself. Responding deputies heard gunshots and, about an hour later, found his body in front of an apartment building; investigators determined he had been shot multiple times in what they called a cold-blooded ambush.

Arapahoe County investigators canvassed the neighborhood and interviewed residents but reported few leads. Authorities say Davis had no known enemies, and the motive remains unknown. No arrests or publicly identified suspects have been announced; a reward has been offered for information leading to an arrest and conviction.

Did anyone in Centennial that morning see someone near the bus stop or have information about unusual activity around that apartment building?