Michelle Kehoe slashed sons ' throats , left them for dead , tried to kill herself , prosecutor says . Iowa jury hears tape of surviving boy telling police his mother cut him , hurt brother . Prosecutors say Kehoe hatched plan month before to blame attacks on stranger . When it became apparent she was not going to die , the prosecutor said , she staggered half a mile down the road to the nearest home and told a story she 'd concocted weeks before of how a stranger abducted the family , killed her sons and tried to kill her . Score: 7
Michelle Kehoe slashed sons ' throats , left them for dead , tried to kill herself , prosecutor says . Iowa jury hears tape of surviving boy telling police his mother cut him , hurt brother . Prosecutors say Kehoe hatched plan month before to blame attacks on stranger . Score: 7