>> so, here we are. >> we spoke with loughman and as for more than two hours.eager to explain why he and his brother killed their parents. he shared intimate details about his childhood and a betrayal he said he felt one eric confided to him days before the murder that their father was still molesting him. >> my father's rapes, i said nothing. and i just feel like part of that pact i had with my dad, and i am keeping the secret. and for you to have done this to my brother, like i kept my part of that sort of devils packed and you didn't. you know? and my mother just, you know, you let your children wake up in the home of a child molester, every day? >> lyle testified and the trial that not only did his mother cover four husband's actions, she also sexually abused him. more than a quarter century after the murders, those feelings of anger and hurt were still close to the surface. >> my mother was very cruel. i believe -- she just very much resented my brother and i from early, early on. >> as if you and eric had come between her and your father? >> yes, exactly.