officer deaton pulls out his taser.d told him to step back, calm down. >> deaton attempts to cuff the suspect. >> i said, you're not under arrest. i'm going to place you in handcuffs for your safety and mine. i then grabbed his hands. as i went to put the left handcuff on, he decided to pull away. >> with one handcuff fastened, german struggles to get away. the officer aims his taser and lets the barbs fly. it has no impact. >> the one barb hitting him in his right shoulder. the other barb hit him in his belt. the way a taser works, it works like positive, negative. if it doesn't have both, it's not going to work at all and the belt grounded out one of the barbs. german snaps. he pulls deaton toward him and unleashes a furious punch to his face. >> the first thing i thought in my mind was that [ bleep ] just hit me. at that time your body just goes into survival mode. >> deaton grabs on tight to the loose handcuff as the two exchange blows. >> i did not want to let go of the cuffs because he could then turn that and use