Kathryn Casey is an award-winning journalist, who has written for Rolling Stone , TV Guide , Reader's Digest , Texas Monthly , and many other publications. She's the author of seven previous true crime books and the creator of the highly acclaimed Sarah Armstrong mystery series. Casey has appeared on Oprah , Oprah Winfrey's Oxygen network, Biography , Nancy Grace , E! network, truTV, Investigation Discovery , the Travel Channel, and A&E. She lives in Houston with her husband and their dog, Nelson.