Deaf and non-verbal man viciously attacked on United flight

The FBI says the suspect was walking back to his seat from the bathroom when he attacked the victim, who was sound asleep, in a random row that was not his. "The next thing I know, I just hear the these blood-curdling screams," said a passenger. MORE: https://abc7ny.com/post/deaf-man-viciously-attacked-united-airlines-flight-san-francisco/15492280/