Rodney Hess, 36, was shot and killed Thursday afternoon in Alamo, Tenn. when authorities said he blocked traffic on the Highway 412 East ramp by parking his car sideways.Authorities said Hess became "erratic" and when he attempted to use his vehicle to hit officers, a deputy shot him. Hess was taken to the Regional Medical Center in Memphis where he died.The shooting unfolded on Facebook Live as Hess recorded the encounter with police.