a place derrick at the 7:11 near krystal taylor's home, and skyler moors.t he was miles from crystals hawthorne, home at night. >> did he ever tell you that he went to the same 11? >> no. >> as the evidence was mounting against him, derek's defense went on offense, portraying the mother as his two children as a liar whose testimony could not be trusted. >> have you lied to your family members like your aunt, sister danielle, about things about mr. smyer? >> i do not know what you are talking about the, you have to be specific. >> lied furious? people lie all the time. you lie. >> tracy williamson was an admitted liar, and untruthful. so you could not believe what she. said >> as for krystal's friend gianna, who said that she saw c-styles and derek smyer together. >> the defense says derrick was with a high school friend, and eric sister danielle said derek mata gangbangers on the basketball court is absurd. but he grew up playing basketball in a bunch of other score. did he play in high? school >> he did in high school, he played high school up until's juni