>> walsh orders levias to comply. >> get off of me! >> stop resisting. put your hands behind your back. you're under arrest. >> get off of me! get the -- off of me! >> hey! >> after a three-minute struggle, officer walsh gets levias cuffed and into the back of his squad car. still at the scene, angel rosenthal, the teen who walsh punched earlier. but rosenthal will not go quietly. >> relax. >> walsh needs another set of handcuffs. as he calls for backup, ray goolsbee, the cameraman questions the officer's use of force. >> why did you have to hit her with a closed fist? you socked this girl. >> yes, i did, sir. >> she's underage. >> i don't care. >> you don't care? >> step back. she's going to fight with me, i'll fight with her. >> she didn't put up a fight. >> soon, backup arrives. >> take all the pictures you want, but back up. >> sure, sure. >> but the incident is far from over. the cameraman sells the video to news outlets across the country. and walsh's punch goes viral. >> a scuffle over a jay-walking ticket that ended with a police officer punching