macarthur killed taylor wright? no. he crime, of carrying taylor's dead body over a fence to the adjacent property where they found it. the defense put ashley's chiropractor on the stand, who testified she'd been in a car accident several years earlier and left her with a bad back. she was having trouble traveling, sitting or standing, lift overhead, lifting objects off the floor. narrator: and the defense argued, no one at britt farm saw anything out of the ordinary during the time taylor was missing, ever. the question is, how does someone kill someone, shoot them in the back of the head-- there's got to be a lot of blood-- and then take the body just over the fence, and-- and hide it there without anybody knowing about it? narrator: the defense continued to try to pick apart the state's case, like that video of ashley buying potting soil and cement. the concrete that was found on the body was very coarse, had stone-like pebbles in it, like you might use on a sidewalk. narrator: but that's not how the home depot employ

taylor turned her back on her one time boyfriend and cried. do you solemnly swear or affirm that-- dennis murphy: finally, prosecutors call curtis wayne wright tond donald mcfarlane didn't dispute that he had come to florida with wright, but not for the reason prosecutors suggested. he thinks that this is going to be a little holiday in florida. right. - all expenses paid. - sure. a little weekend. it's coming down here. it's close to 4th of july. go to the beach. he's never seen the ocean. and when they're here, they're purchasing souvenirs, going to walmart. dennis murphy: but they were adamant rodgers had no idea his friend was planning a murder. he thinks he's coming down with his friend, who needs someone to drive him down here. he knows that curtis wright works doing computer work and is told, well, you can do some work on the side, maybe earn some money. dennis murphy: and the defense insisted the witnesses against rodgers were motivated to lie, especially wright, whose cooperation guaranteed a prison sentence of 25 years. you were all in this together. am i right? curtis wayne wright: yes. yes. the only difference is with this plea deal