according to court documents, guglielmelli asked a friend to kill olsen.riend recorded their conversation and went to police. >> when the jury hears the tapes, they're going to understand he was manipulated by somebody who was trying to help himself. >> reporter: guglielmelli's defense attorney says his client was set up by a former friend in the midst of a bitter divorce battle. but that could be hard to prove. alan dershowitz, renowned lawyer, professor and the author of "taking the stand: my life in the law," says the case will come down to what guglielmelli is heard saying on those tapes. >> the final recording, which was done by the government, is the crucial recording. >> reporter: monica olsen has not commented. but according to her spokesperson, she is working very hard on getting her life back on track and is in the planning stages to relaunch her skin care line. and this time, her spokesperson says, she is doing it solo. for "good morning america," bazi kanani, abc news, los angeles. >> i'll bet she is. >> i bet you you're right about that, georg