accompanied by this guy here 30-year-old lee birch. lee birch works for the police. they ask him to basically strip. it's a strip search. he has to get naked in front of all of these people. here is the moment in question. the last thing to go, his boxers. takes them off and flicks them over the head of lee birch. watch what happens next. lee birch taizs the guy, holds it for something like 7 seconds, 50,000 volts. lee birch was charged with assault causing bodily harm and misconduct. this happened in december of 2012. recently lee birch was acquitted of both charges. >> to me it seems like there should be retraining. you don't arbitrary fire your taser at somebody who's not a threat, just throws their underwear at you. >> it appears this guy is not out of control. >> that would seem out of control to me. >> the officer said he wasn't using for an excuse to use his taser. this thing was not motivated by anger or malice or anything like that. itv talked to daniel dove the guy who was arrested. >> right place at the right time i would say it's okay to use taser. but wh