remember sarah dutra, the young secretary elisa's friend who came back with her little dog who had beeno helpful after elisa disappeared? now saying that killing larry was sarah's idea. >> i never would have done it on my own. >> elisa told the story this way. larry was a heavy drinker and drug user. he was abusive, she claimed and feared for her life. one day he divided in her young friend, sarah, and sarah said there was just one thing to do, kill larry mcnabney. now in this three-hour long interview elisa went into detail after gruesome detail of how she and sarah did it. elisa and larry were at a horse show in los angeles, she said, and sarah flew down to meet them, or rather, to meet elisa since larry didn't like sarah, said elisa. >> what did you guys decided to do with him. >> we said if we -- if we kill him, nobody's going to miss him. >> were you going to do it, like, that day or some other time in the future? when were you planning on doing it? >> right then. >> right then and there? >> yeah. >> that was september 9th, 2001. according to elisa, larry had already passed out aft