area and they happened to find the green tights of chelsea's. so at that point we have everything accounted for. we have chelsea's shoes, her tights, her costume, her wig, and her body. >> everything, na is, but her killer. coming up -- >> yeah. i mean things were adding up. >> or that's what investigators thought until -- >> she put her foot down and she said you don't want to see this right now. so we stopped and she handed me the lab sheet. >> peace and love. that's my motto. >> a peace-loving suspect confesses but not to murder. >> i just like smoking weed and having sex. >> when "dateline" continues. sex >> when "dateline" continues >> when "dateline" continues i'm trending so hard that “hashtag common sense” can't keep up. this is going to get tens and tens of views. ♪