Craigslist Killer Miranda Barbour didn't become a murderer on her own, sister Ashley Dean told Dr. Phil. Their mother, Elizabeth, made her that way.
"My mom made Miranda the way she is," Ashley cried. "My mom has been a bad mom."
In an interview with Dr. Phil, Ashley accused their mother of being inattentive and neglectful which she says led to Miranda Barbour's current state.
"I just want to make it clear that it's not my sister's fault," Dean said. "She's not this monster on her own. It's come from someone else."
In 2012, Miranda Barbour reached out to Dr. Phil to get help for their mother whom she called a "pill-popping drunk." McGraw says they tried to reach out to her but couldn't make contact.
Ashley Dean confirmed her sister's statements about their mother saying that they were both sexually assaulted when Ashley was 6 and Miranda was 3. While their abuser went to prison for 9 years, that, Ashley believes, is part of the reason Miranda turned out the way she did.
"You have to understand where Miranda's coming from," Ashley explained. "You have to understand what happened to her when she was younger."
Elizabeth says she tried to get Miranda help, taking her to therapists over the years, but her efforts were for naught. However, she loves her daughter and will never turn her back on Miranda.
Miranda Barbour, 19, and husband Elytte Barbour, were charged with the November 2013 murder of Troy LeFerrara. The two lured him to a hotel where they brutally murdered him using a Craigslist ad. Miranda went on to tell a reporter in February of 2014 that she was a serial killer with 21 bodies to her list.
That, however, has turned out to be false, as no other murders linked to Miranda and Elytte Barbour have been uncovered.
No one believes that Miranda Barbour has killed anyone other than Troy LeFerrara based on interviews, evidence, and her journals.
Her mother's proof that Miranda isn't a serial killer? Shoddy craftsmanship.
"My daughter is not a serial killer," Elizabeth Dean told Dr. Phil.
"I don't believe Miranda has killed more than one person because this one is so sloppy."
McGraw confirmed Elizabeth Dean's theory saying that there are no references, veiled or otherwise, to any other murders in her journals and noting that it seems an odd thing to be left out.
The two face the death penalty for LeFerrara's murder and Ashley says that if her sister is convicted she deserves to pay for the consequences of her actions even if Miranda Barbour was only acting to please her husband.