Graham said in a court filing that during the argument , Johnson grabbed her by the arm and she removed it , pushing Johnson simultaneously and accidentally sending him off the cliff , according to court documents . Defense : FBI said during phone call they have evidence Graham was blindfolded . Karen Graham is charged with murder in the death of her husband of eight days . Graham accidentally pushed husband off cliff during fight at park , defense says . Defense has several issues with FBI interrogation of suspect , subsequent report .
Defense : FBI said during phone call they have evidence Graham was blindfolded . Karen Graham is charged with murder in the death of her husband of eight days . Graham accidentally pushed husband off cliff during fight at park , defense says . Defense has several issues with FBI interrogation of suspect , subsequent report .