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The first starting the assistant collects medical data. and please put this in your mouth and chew on it slightly this is a saliva sample. the sample is needed to determine the level of the stress when. when coaches are. strapped in the subject is immobilized their pulse will be measured throughout the duration of the experiment. while in the m.r.i. subjects can only communicate through the remote control. electrical devices cannot be placed inside the m.r.i. so if the tasks are displayed in america. that means the image on research if audience tried screen is inverted. during the test the m.r...

For whatever reason, she always let art in, and on occasion, he even spent the night. >> whatever the relationship was between the two of them was a secret from a lot of people. >> sure. did you even know about it at the time? >> i had no clue. >> she had not told you anything? >> no. >> detectives brought gutierrez in for questioning, and he was cooperative. he even admitted seeing christie for a while, but they had broken it off two or three months before the murder, he said. as for the night christie was killed? art insisted he was nowhere near the condo, and he could prove it. >> he had be...

These questions. >> but the dna from sam freeman's saliva sample matched the skin cells on the ligature and the mucus on the tissue. >> the only way possible that sam freeman's dna could have been at the scene in the home was the fact that sam freeman was there and was the killer. >> after 12 long years, in september of 2005, sam freeman was arrested and charged with laura wynn's murder. prosecutors believe the motive was clear. >> here she is, this woman -- small woman -- dressing him down in front of all these guys and here he is mr. military, mr. macho man. he wasn't going to put up with it...

Jeans was in close proximity of impact at the time of impact. >> and dna testing confirmed the blood on the jeans was laura's. police tracked gilley down in florida, where he was twice-divorced and working for the manatee county public works department. he also had a police record with arrests for aggravated sexual battery, attempted burglary, and resisting arrest. when questioned by police in florida, gilley once again denied any involvement in laura's murder. >> during that interview, kyle admitted that the jeans were probably his. when we asked him about blood spatter and the fact that we h...

He stated no, no, no, to all these questions. >> but the dna from sam freeman's saliva sample matched the skin cells on the ligature and the mucus on the tissue. >> the only way possible that sam freeman's dna could have been at the scene in the home was the fact that sam freeman was there and was the killer. >> after 12 long years in september of 2005, sam freeman was arrested and charged with laura wynn's murder. prosecutors believe the motive was clear. >> here she is, this woman -- small woman -- dressing him down in front of all these guys and here he is mr. military, mr. macho man. he wa...