. >> kevin was instructed by his attorneys, allison miller and jessica manuel to talk directly to theat you're saying, you better look them in the eye and tell them the truth. >> did you ever call your mom? did you ever call your mom? >> unfortunately, i did. >> are you disrespectful? >> yes, ma'am. >> welyou can see it all. >> a strike to soften kevin and give jurors reason to doubt he could turn into a cold-blooded jury. >> the jury wants to hear you say you department kill your mom. >> kevin, did you kill your mom? >> no ma'am. >> but evidence on his mom's thigh has been the defense's toughest challenge. >> the blood got there once and kevin start struggling. >> from day one, kevin had maintained he never entered the room when attacked by bill. and now he would give himself and his blood wiggle room. >> when you opened the door, did you take any steps? >> i might have taken one or two steps just to open the door. >> in cross-examination, challenging kevin as a nip flopper. >> and taking one or two steps, this is the first time you said that in four and a half years, right? >> i was