and had been missing from his suburban home for days. in the video he is choked and repeatedly called the n word. his clothes are slashed and he is terrorized with a knife. >> donald trump! >> reporter: his alleged captors repeatedly reference donald trump. they also laughed and mugged for the camera while reading viewers' comments. >> tell donald trump that's not funny. >> reporter: the victim was eventually released. officers later spotted him on the street, appearing disoriented. he apparently knew one of his attackers. >> y'all see this [ bleep ] right here. we could have put this in a trunk -- >> reporter: disturbance call from the nab or led police to the four individuals arrested. investigators say hate crime charges are possible. >> it's sickening, it's sickening. it makes you wonder what would make individuals treat somebody like that. i've been a cop for 28 years. it still amazes me how you still see things that you just shouldn't. >> reporter: the video was taken down on...