you lie. >> traci williamson was an admitted liar and untruthful.tal's friend, jana, who said she saw c-styles and derek smyer together? the defense says derek was with a high school friend and derek's sister danielle says the idea that derek met a gang-banger on the basketball court is absurd. but he grew up playing basketball and a bunch of other sports. didn't he play basketball in high school? >> he did play basketball in high school. he played basketball up into his junior year. i played basketball up into my sophomore year. never touched a basketball since. derek doesn't play basketball anymore. >> reporter: in this court, everything was on the line. that's when derek smyer, who'd never shied away from explaining himself in the past, took the stand. >>> coming up -- >> did you have anything to do with the death of crystal taylor? >> no i did not. >> derek smyer. a dutiful dad to be? >> i was prepared to take care of my responsibility. >> could the jury agree? >> it's like time froze. must've been hot out there today, huh? yeah. yeah. why don't