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Experience the life of a BAU (Behavioral Analysis Unit) investigator and investigate the main suspect. Use the details given to characterize the suspect using information from the presentation(type of liar, type of manipulator, body language). Assess these factors and give your analysis of the suspect. What could these factors show about the suspect ( statements that relate to the case and his personality)? *based on the story and initial interrogation of Scott Peterson*

*Background Information: Scott Peterson in his late 20s was married to Laci Peterson in her mid-20s. Laci was 8 months pregnant at the time of the events. According to friends and family, Peterson was a very calm and composed person who was easy to get along with and never confrontational. Laci was an out-going and bubbly person. They seemed to have a very happy marriage. They tried to have a child for 3 years and then received a positive pregnancy test. 8 months later Scott has an affair with a girl named Amber. The girl is unaware of Scott’s marriage. And Laci is unaware of the girl. Finally he reveals this to Laci. According to interviews, Laci took this rather well. Amber did not know however. He had done this previous to his marriage with Laci with other girls who have come forward on record. He had a history of cheating. In this time he secretly buys a boat, and starts researching how certain water currents flow in the San Francisco Bay which he says is in regard to fishing. Fast forward to the 24th of Christmas. Scott goes fishing leaving his 8 month pregnant wife at home and when he comes back Lacy is not home. After that he says he ate some pizza and then proceeded to call Laci’s mom and tell her she is missing. He did not search for her or investigate her absence, but assumed that Laci went missing.*

*During the investigation: Scott Peterson during the entire interrogation is very casual and relaxed, unbothered. The interview takes place around midnight the day of Laci’s disappearance. Scott sits at the front of his seat with his hands placed forward stretched out on the table. Once the interrogator enters the room there is a sudden change in his body language. He leans back into the chair and draws his hands back in his jacket pockets. His voice/tone changes depending on topics. When talking about topics unrelated to his wife like for example during a point in the interrogation there was a question about a Mortiser which is a wood tool. During the discussion about the Mortiser tool, Scott utilizes his hands to explain how the tool works. But during different topics such as when the interviewer asked what his wife was wearing when he left his house, Scott’s tone changed and his voice became quieter. Again, during the interview he was undisturbed and unworried.*