so the woman who was living in this home was mabel monahan. >> mabel monahan ended up a murder victim, strangled and bludgeoned to death after robbers entered her burbank, california, home looking for known treasures. barbara graham, a part of the brazen theft, ended up facing more than she bargained for. >> it came together when emmett perkins and jack santo drafted barbara to be the lure, because mabel monahan was very security conscious, so barbara was used to go knock on the door and say, you know, my car broke down. if you could just let me use your phone. mabel unfortunately let her in. and the men came in right behind her. >> it was unclear who killed mabel, but barbara was found guilty by association. >> it's called the felony murder rule. and when you participate in a felony in which someone dies, even if it's accidental, you're on the hook for it. >> reporters hungry for a story flocked to interview barbara and her lawyer. barbara was convicted and then sent to san quentin's gas chamber, becoming one of only a handful of women to be put to death in california. and hollywood