ENGLEWOOD, Colo. — Around 2:30 the morning of Aug. 28, Barry Parks stood at the same SEPTA bus stop in the Hunting Park neighborhood of Philadelphia that he stood every morning, awaiting his ride to work as a sorter for a Waste Management facility.



But as the Route 56 bus pulled up that morning, so did a gunman, who tried to grab Parks’ backpack. Police say a scuffle ensued before the man shot Parks in the head from point-blank range. The 55-year-old — a father to three daughters — was pronounced dead on the scene.



It’s been two months and a suspect has yet to be found, leaving Parks’ family in Philadelphia heartbroken and a nephew in Denver on a mission. Will Parks, the Broncos’ starting safety and dime backer, learned of Barry’s death while in a cold tub at the team’s practice facility two days before the team’s final preseason game and less than two weeks before the start of their regular...