Transcript for Attacker's Beat Teen, Post Video on Victim's Facebook Page
This is the video which police say attackers shot Sunday in -- and then posted. All of the victims FaceBook page. -- my god I watched a video over and over and over and over and. You can see here -- the victim on the bike appears to be approached by another teen who then beats the boy. Mike tanner is that victim's father this isn't right this has arrived this -- to do this to -- What makes this most disturbing tanner says is that his son is handicapped. He was it an accident several years ago that left him with both physical and cognitive disabilities and his father says it's inexcusable. For someone. To hurt the boy like this after he's been through so much already. I sit there watching -- for six weeks and she used real life support. And yes it's it's terrible. The police say this is not the only attack either both incidents occurred at the Sylvan beach skate park. They believe the suspect who did the beating in the teen who shot the video in the first attack swapped roles and targeted at least one other victim. If there's other assaults that have occurred that we are not aware of -- -- the people who come forward. Police hope -- to find out more about these cases before another innocent person ends up on FaceBook. The object of some bullies sick endeavors.
This transcript has been automatically generated and may not be 100% accurate.