MSNBC Dateline July 7, 2024
>> i did not shoot my mom and i would never shoot my mom. >> two trials. >> every emotion hit. >> two verdicts. >> there were only two people who knew what happened that day. one of them's dead and the other one is sitting in that chair. >> too much to bear. >> it's just been a hell on earth. ♪ ♪ ♪ ♪ ♪ ♪ ♪ ♪ ♪ >> hello and welcome to "dateline." bill and shirley carter built a comfortable life and raised a family on their sprawling farm in america's heartland. as their golden years approached the couple fell into a routine. daily coffee, working the fields and spend...