Transcript for NBA player Sterling Brown files federal civil rights lawsuit over stun-gun arrest
Next, from Milwaukee tonight, the NBA player suing the city and police after that police body cam video made national headlines. He says a parking violation then turned into a case of excessive force. The body cam video shows bucks player sterling brown there surrounded by police, then being tased and arrested. Well tonight, there is new body cam video just out, and what these new images now reveal. Here's ABC's whit Johnson. Taser, taser, taser! Reporter: Tonight, Milwaukee bucks rookie sterling brown is suing the city for race discrimination, over this police taser take-down in a Walgreens parking lot in January. And for the first time, newly-released body cam video showing one officer briefly pulling his gun out of its holster. That gun could have gone off, and it would be a whole different story. Sterling brown could have been dead. Reporter: Those officers can be heard joking about possible public backlash. Because he plays for the bucks, if he makes a complaint, it's going to be a Media firestorm. Oh, Milwaukee police department is all racist, blah, blah, blah. Reporter: Brown parking illegally in a handicap spot. The officers arresting him, saying they used the taser because he was aggressive and resisting. Stepping on my ankle for what? Something that's been happening for years and I feel like, you know, me doing this is -- it helps a lot. Reporter: David, brown was never charged. Three Milwaukee police officers suspended. But tonight, the mayor growing frustrated, claiming police never showed him all of those body cam videos. David? Whit Johnson, thank you.
This transcript has been automatically generated and may not be 100% accurate.