these are things i don't know about you. >> this is probably the disposal method of preference among those who get away with it. most bizarre, bizarre thing i've ever been associated with. >> tell me about it. what the hell happened? >> it's really not that humorous but, in the fireplace. >> burn it all up? >> down to the last ash. paranoia, clenliness, what have you, packing down the ashes. that's the twist. >> yeah, that's a slight twist. >> this may have been bundy's last chance to tell the truth, but detective keppel didn't buy it. >> have you ever burned a skull before? well, my problem with it is, i don't think he could. i was anxious for him to tell me more in those last two hours.