In an exclusive interview, Dr. Phil sits down with the mother and sister of alleged “Craigslist Killer” Miranda Barbour, who claims she has killed more than 22 people across the country since age 13. In November 2013, Miranda and her husband, Elyette, allegedly strangled and stabbed to death a man police say they lured through a Craigslist “companionship” ad. The story made national headlines, with the newlyweds being dubbed the “thrill kill” couple — but it didn’t end there. In February, Miranda dropped a bombshell in a jailhouse interview, claiming she was part of a satanic cult and had killed so many people she lost count. Does her family believe she is a serial killer? Miranda’s mother, Elizabeth, says her daughter was a troubled child and teen, but insists she did everything she could to get her on the right track. Miranda’s sister, Ashley, tells a different story — who does she blame for Miranda’s problems? And, what does a letter Miranda wrote to Dr. Phil in 2012 reveal? Dr. Phi