The Greene County Sheriff’s Office Has Identified A Man Who Was Shot And Killed This Past Weekend. 26 Year Old Liam Gagnon Is Alleged To Have Shot John McCann On Saturday. According To A Police Report, McCann Was Alleged To Have Followed Gagnon And His Girlfriend To A Home On Knight Hollow Road Following An Earlier Confrontation. Gagnon Said The Man Blocked His Vehicle And Drove Towards Him, Continuing To Be Aggressive. At Some Point, Gagnon Said McCann Reached Towards His Center Console And That’s When He Fired What He Thought Was 12 Rounds, Striking McCann Several Times. Police Said Gagnon’s Girlfriend Was Mccann’s Ex. Gagnon Is Expected To Appear In Court Soon.