the u.s. justice department isn't playing around when it comes to the violent and sometimes deadly trend known as the knockout game. you've seen the videos likely. strangers randomly sucker punching people on the street with the goal of knocking them unconscious with a single blow. well now, this man right here, conrad al ban berry of texas has been charged with a hate crime for allegedly attacking a 79-year-old man because he was black. he hit the elderly man with such force that he suffered fractures, was hospitalized for several days and had to remove teeth and insert metal plates into his jaw. our panel of legal experts joins us. paul callan is a cnn legal analyst. alan dershowicz is a professor and an author, "taking the stand, my life and law."