clue that he was going to be a suspect in the presidential shooting. and at that time he answered all my questions willingly. and as soon as i asked him. he didn't hold back on anything. of course he didn't answer them all truthfully, but he was very calm and collected. and you couldn't imagine anybody who had just killed two people could be so calm and collected as he was. >> let me turn to you, kate. obviously this is a huge part of your family life, i guess. it must be something you've talked about many times. you've coproduced this movie "capturing oswald." what do you think about all the conspiracy theories, given all the research that you've now done into this? >> i agree with my grandpa and the detectives in my show. i do not buy into any of the conspiracy theories. i don't think any of them hold any water. but the evidence that the amassed in those first 48 hours