The Devil in Gainesville l 20/20 l PART 5

A potential suspect is arrested in connection to Gainesville student murders: Part 5 Investigator Don Maines said they received several tips about a young man who’d been arrested and charged with assaulting his grandmother. But an issue arose when they tested his blood. WATCH THE FULL EPISODE OF 20/20: https://bit.ly/31ZwSPY #ABCNews #ABC2020 #Documentary