Gregorio Benavides may have been drunk when he struck and killed Abel Shippley, 79, with a vehicle in front of the Sunnyside resident's home on July 20.
Over the last three weeks, drivers killed two people walking on Denver streets, according to the Denver Police Department. The victims were identified as Abel Shippley, 79, and Richard Jiron.
Kendal Gilkey, 33, struck and killed Frétard on Speer Boulevard, then drove away. Frétard was the third person killed while biking on Denver streets this year.