. >> when they asked why you killed lou ellen burleigh, your first victim, you said to see if it can be done. what's that mean? >> see if it can be done, that's all, it's like stacking bricks. >> there are a lot of different plans a man can decide to make to see if he can do it. could be, can i get a job and hold it for six months? can i make my wife happy for a week? can i make myself save money? >> yeah. >> can i abduct and murder a woman? where's that fit in with the plans a man might make? >> i don't know why i did what i did. to see if it could be done. i've said that before. >> do you see it as a challenge? >> uh-huh. >> so you're giving the answer like why do you climb mt. everest? >> because it's there. >>> coming up -- investigators take roger kibbe to where he says he killed lou ellen burleigh in hopes they can find her remains more than 30 years after her death. >> what i'm mostly concerned about is that cut-away hill. that's my key. i've saved $75 in checked bag fees. [ delavane ] priority boarding is really important to us. you can just get on the plane and relax. [ juli