exchange for a reduced sentence of 30 years. >> it's good for the jury to be able to hear the back story of what went on and the why of what went on. >> aaron louis went on trial. the prosecution's star witness, crystal lowrie, took the stand and told the jury all the grisly details. she claimed it was all about money, not sex. >> she said he came up with the idea of kidnapping someone but she even went so far as to suggest real estate agents. >> she testified she was in class at nursing school when louis abducted beverly. >> she got a text from aaron louis saying look at this or something like that and it was a picture of miss carter bound in the trunk of the car. she said that when she got home, he had brought miss carter back to the house. >> she told the jury when she got home, beverly was locked in their bathroom and what she said next showed how little thought went into this plan. louis had forgotten beverly's purse with her atm card at the property, so he went back to get it. crystal says when he got close to the house, cops were everywhere.