Well, what you laughing for? I'm writing your take it off. >> Video shows a disrespectful teen trying to fight a cop only to get instantly humbled on the spot. >> Then you got to get on. Let's go. >> No, I don't got to go nowhere. I don't got Yeah. Live here. You don't got What you walking up on me like that for? What's up? Take that vest off. You know, come on. Take that off. Let's get it. Let's get it, bro. What's up? ID. >> You ain't going to get Okay, take it off and you'll see. What you laughing for? I'm right in your >> Take it off. >> Put on your back. Stop resisting. Put your hand on your back. Put your hand behind your back. Stop resisting. I'm a reminder. >> So why'd you get in my face? Were you going to hit me? >> All that confidence vanished when he hit the ground. Was the cop justified doing this to a teen?