and -- and said, we've just arrested your father. for the murder of your mother. >> what was it like to hear that? >> shattering. i -- i broke down. but at the same time -- it's like i knew. i just didn't want to believe it. the signs were all there. he changed so much. and just hearing it made it kind of official, that the person i held so dear wasn't there anymore. >> not a big surprise, really. anna had doubts about her father all along. but her brother, gabriel? well. that was a different story altogether. >> i can't imagine how anyone would say it's 100% certain that my dad did it. coming up, gabriel isn't the only one with doubts.