Wife hired insulin 'hit' on Med patient, police say By Chris Conley conley@gomemphis.com May 2, 2003 A Coahoma County, Miss., school principal was charged Thursday with the attempted contract killing of a Clarksdale, Miss., man being treated in Memphis for an earlier gunshot wound. Robert Hunter, 55, was charged with attempted murder for allegedly trying to use insulin to kill Richard Morton Tuesday night at the Regional Medical Center at Memphis. Morton, who was recovering from surgery, is the husband of Abbigail Morton, 39, who's also charged with attempted first-degree murder. Police say Abbigail Morton promised to pay Hunter $30,000...