he's a bit of a scientist, a storm chaser. i guess this balloon he was using for what purpose i'm not sure. but he had helium in the backyard. i didn't see the balloon takeoff. but i saw the boys this morning on the roof. they hollered at me as i was leaving for errands this morning and saying their brother was up in the air. >> were the boys practical jokers as far as you know? >> no, not that kind of thing. i believed them when they said that. >> and did you know about the helium balloon project? did richard ever talk about it or discuss what he was up to? >> no, i talked with him about a number of the other projects but i wasn't aware of this one. >> did he seem like he was all together? i don't know how to put this, was he sane, rational, did he seem like a normal guy who just had some unusual interests? >> yeah. no, i think he just had some unusual interests and fairly