it was very difficult. reporter: 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. reporter: mary ann accused yanos of murder the day it happened. confronted him in jail. now here she was back with him. 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. reporter: how much mary ann knew, if anything, about yanos role if 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 lost both his parents.
reporter: 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. reporter: mary ann accused yanos of murder the 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. reporter: how much mary ann knew, if anything, about yanos role in her husband s murder, she wasn t saying, certainly not to her son gary. the rift in the relationship between mother and son now seemed irreparable.
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. reporter: mary ann accused yanos of murder the day it happened. confronted him in jail. now here she was back with him. 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. reporter: how much mary ann knew, if anything, about yanos role if 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 lost both his parents. and years passed. the silence continued.
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. reporter: mary ann accused yanos of murder the day it happened. confronted him in jail. now here she was back with him. 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. reporter: how much mary ann knew, if anything, about yanos role if 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 lost both his parents.