her and take her car to just get a ride to minnesota is laughable. >> didn't have a cause of death, so how do you point the finger at somebody? >> the defense didn't produce any witnesses of their own. instead, they aggressively challenged the state's witnesses, like the former girlfriend. the defense tried to show mcvay was more playful than violent. >> you said he was just playing around. but you didn't find it funny. >> yes. >> he was not striking you, right? >> no, he was not striking me. he never struck me. >> defense attorneys also attacked bill thomas who traced that shovel to a bit lots store in wisconsin. >> you have no video of that transaction? >> no. >> you have no evidence of a receipt with tim's name on it? >> no, it was paid by cash. >> police confronted justin mueller. he was found in the town where carrie was last found.