michael wilkie was found guilty in january of first-degree murder in january for the 2012 killing of his third wife , shelby wilkie .
his second wife , amanda casey , has opened up about the abuse she faced before divorcing .
casey said that he controlled aspects of her life and was physically abusive , particularly when she was pregnant .
she even said she feared that michael wilkie would kill her .
she said she never warned shelby wilkie , but told her she was there if she needed someone to talk to shortly before she disappeared .