Transcript for Black man suing Utah police department over K-9 attack
Now, to Salt Lake City, where the police department has suspended its k-9 program after the release of body cam video showing a police dog appearing to repeatedly bite a black man who was kneeling with his hands the man has had multiple surgeries to repair the damage and he's now planning to sue the department, claiming the use of force was unnecessary and that it happened because he's black. ABC's Adrienne Bankert with the video, and a warning, it is difficult to watch. Reporter: Tonight, that just-released police body cam video of an incident last April showing police officers commanding a k-9 to subdue a man already on his knees. Get on the ground or you're going to get bit. Reporter: Jeffery Ryans, approached by officers in his backyard, kneels and raises his hands, but as police commanded him to get all the way down, they release their k-9, tuco, giving him the hit order to bite Ryans. Hit, hit. I'm on the ground. I'm on the ground. Why are you biting me? I'm on the ground. Stop. Why are you guys -- ow. . Good boy. Reporter: Police say they responded to the home because of a complaint of domestic violence. My dad is doing very bad things to our family. Reporter: Ryans attorney claims this was a case of racial bias. You look at all the other factors and the one factor that's left is his race and the way that the police reacted to him. Reporter: The officer involved has been placed on administrative leave. And their k-9 unit has been suspended. The blitz department says they followed procedure. We're going to exercise extra precautions whenever we go to a call of domestic violence. Reporter: And the attorney has filed a notice of claim in this incident, citing excessive force. The city has 60 days to respond. Police are conducting an internal investigation. Tom? Adrienne Bankert, thank you.
This transcript has been automatically generated and may not be 100% accurate.