no one except mary neiswender thanks to a source in the prison law library. >> charlie could not use. so a friend was to call me at a certain time and charlie was to slide under the table and then he would hand him the phone. so i had three minutes before the guard caught us to convince charlie that he should talk to me. >> neiswender earned manson's trust and set up many face to face jail house meetings, providing her with countless scoops during the trial and a rare insight into the mind of the suspected killer. >> when you're sitting across from him and you're talking to him, did you understand how charles manson was able to control so many young ladies? >> when you're talking to him, he would never take his eyes off you. it was as if nobody else was in that room except you and him. i think he thought he could manipulate me the way he manipulated the girls. >> manipulation and control. the cornerstones of the case against charles manson. a trial that is about to take many more shocking turns. coming up -- did people gasp? >> absolutely. >> violence and mayhem in the courtroom. >>