away from the swirl of activity on 6th street, university of texas undergraduate laura ashley hall findsrogation room contemplating the possibility of prison. police have already charged laura with hindering apprehension for driving boyfriend colton pitonyak into mexico after he kills his other girlfriend, 21-year-old jennifer cave. investigators also suspect laura of dismembering the corpse in the bathtub, cutting off the head and the hands to prevent identification. >> didn't say anything about handling the body. >> i didn't touch the body. >> didn't say anything about handling things -- >> i didn't touch the hacksaw. >> when did we talk about a hacksaw? >> we didn't. i read it in the paper. >> do you believe everything you read in the paper? >> no. >> how did you know there was a hacksaw involved. >> he told me he went and bought the hacksaw. he confessed that. >> laura is in the box for more than eight hours tweaking, revising and sometimes inventing her narrative. >> he said that three people came into the apartment, one of them was -- they had guns. >> she is desperately telling on