Interesting.....I just saw them once and would love to see the interview again so I could pay attention to some of the things everyone here has brought up.
I had to pull it up
Go to:
http://www.cbsnews.com/sections/i_video/main500251.shtml
then put Duke in the search box
Parents video is #8 in the result list.
BTW- about 1 minute into the video,look at Travis's right pocket--see if that looks like the handle of a pistol.