keith morrison: sarah dutra broke down and told detectives her side of the story. down and told detectives her side of the story. and in this version, it was elisa, not sarah, who was a cold-blooded killer. it was elisa, she said, the dosed larry with horse tranquilizer. keith morrison: elisa who was eerily calm when larry finally did expire. elisa, who is eerily calm when larry finally did expire. expir keith morrison: that was the morning of september 12, after the long and harrowing drive home from the horse show in los angeles, said sarah. and through her tears, she told the detectives how larry's body >> that was a morning of september 12th, after the long and harrowing drive home from the horse show in los angeles. through her tears, she told detectives how larry's body ended up in the refrigerator. keith morrison: and this was the heart of sarah's version. she went along with the whole awful, crazy thing for one reason, she said. >> this was the heart of sarah's version. she went along with the whole, awful, crazy thing for one reason, she said -- she was de