Transcript for 'The Sins of the Father' | The David Muir 20/20 Event – tonight at 9|8c on ABC
This is one of those stories as you covered for years it just becomes more unbelievable. Every development no one could have seen where that's going. First place this tragedy this how many acts. Is when Israel's guys this tragedy just how unlucky this this guy a lot of people it's when this money. Famine. Karl karlson the true source. My name is Katy ran. Name is Aaron grams of Karl karlson. It does seem surreal sometimes spent days. Is my life. Not one wanted to come and might have gotten a little like. Oh. You wouldn't stand a chance you your your god only knew as soon as I heard. And we'll I was gone that he had died at. And you every fiber maybe. Think I have my insurance policy worth 700000. Dollars. Dad awful of me to tell me we have left well this was hammered them. Yes the note says all of the essence go to the bother to be handed out when was the letter notarized. The day of his death. Christina was. Fire reaching this fire what an accident this fire was intentionally set. To hold him and I wanted to see my sister he said you can species that Krispy trader that was his turn to crispy critter. There was 200000 dollar policy on Christina blunt at the tragedy. And a pale. He'll most notably with Carter twice. And looked at him and I like who that your children either smile like Cheshire. And Torvalds fuel. They have a cardinal yet. This Friday night on NBC stone. Us exclusive new interviews it was heartbreaking and just when you thought you heard it all. And take. What are the reason would he have a life insurance policy one of his granddaughters it's almost impossible. To.
This transcript has been automatically generated and may not be 100% accurate.