>> how could she? go back to the lover who gary was sure stabbed his father, her husband, and left him to die in the driveway? >> when i first found out, all ties were cut. i wrote her a letter. dropped it in her mail slot. as far as i'm concerned, our relationship is over. mary ann, remember, accused janos of murder the very day it happened, confronted him in jail. now here she was back with him. while they didn't actually move in together, they were certainly a couple, passion apparently undimmed. >> i just believe that in her own mind that it was okay to go back with him because there was really no proof that he did it. >> just how much mary ann knew, if anything, about janos' role in her husband's murder, she wasn't saying. certainly not her son, gary. the rift in the relationship between mother and son now seemed irreparable. for gary, it was like he had