veteran police officer jonathan seiter pulls over 64-year-old otto coleman for a headlight violation. >> let me see your driver's license. >> what's the concern? >> the concern is that your headlights are out, sir. >> he started off being defensive with his responses. he was adamant that he had both headlights working. however, they were not. >> i had my headlights on. >> see your high beams were on. that's the problem there buddy. >> the officer soon discovers another problem. >> i suspected after he might have been a drunk driver because i did smell alcohol coming from somewhere. and i saw a pill bottle in his glove box. >> are those your pill bottles? >> sir, i'm asking you a concern. >> are those your pill bottles? >> the officer is suspicious the pills are illegal and otto coleman is intoxicated. he calls for routine backup. >> state trooper chris colvert receives the call. >> he needs backup to finish his task but it's not an emergency situation. he's got things under control. officer seiter has otto coleman exit his vehicle so he can perform a search. >> step on out. >> what's

officer seiter has otto coleman exit his vehicle so he can perform a search. >> step on out. >> what's the problem, sir? >> step on out. >> once mr. coleman gets out of the vehicle you can kind of see him kind of looking around. it's almost like someone is looking around to see if there's any witnesses to see who is going to see what happens next. >> what happens next is frightening. >> sir turn around. >> he latched on to me. he grabbed me. the fight was on. >> i tried to retreat from him. he held me close to him. he was not fighting to get away. he was fighting to hurt me. >> coleman grabs for the officer's taser and then reaches for his gun. >> well, the danger is if he would have gotten my gun, he would have used it on me. there's no doubt in my mind. >> car after car passes the assault. seiter radios for assistance. >> when you hear another law enforcement officer's radio key up and you just have plain language help, you know it's bad. i hit my lights and my sirens. i'm accelerating. your gut instinct is go, go, go. >> but time is running out as he races to the scene. coleman gain