. >> reporter: this afternoon the sheriff's deputies contermed eddie hall has a cell alone here and they say it's for his own protection and there is good reason for that. investigators are still looking in to saturday's deadly crash on 580 in san leandro. 30-year-old eddie hall was driving a van and swerved in to a pack of motorcycle siders killing george lopez. today we spoke to oscar jose, riding with lopez and said a van came at them unprovoked. >> that dude just snapped. i will tell you that right now. there is no reason why he did that. >> reporter: investigators say the impact threw lopez from his bike, witnesses say hall drove over lopez and then kept on driving, weaving in and out of lanes, dragging lopez's motorcycle for a mile. sheriff caught him trying to run away from the van and the burning motorcycle. hall is now in jail facing felony hit and run and homicide charges. the sheriff's office confirmed is he isolated for his protection. >> just ran over a hell 's angel. they should keep him there. >> reporter: lopez was a member of the hell's angels and was going back to stock