and said will you leave sheila alone, please? you guys are harassing her 24/7. the kid is going through enough. leave her alone. she was like our daughter. >> investigators were convinced the two girls knew more than they were saying. that fall, ronnie gaskins interviewed each girl repeatedly. how was sheila's demeanor in these meetings you would have with her? >> calm. collect. would look at you right in your face, right in your eyes. >> he says rachel seemed distracted. >> she would draw on the desk, play with the pencil. just her nonverbal cues spoke a lot. >> their story never varied. they picked skylar up, drove around morgantown, smoked a little pot, and dropped her off a few blocks from home. >> it was like a recording with these two. >> in the meantime, the officers had begun to collect physical evidence, and it didn't match up with the story the girls had been telling. surveillance video from a convenience store put the girls'car not heading east as they had said, but heading west towards blacksville. and the girls'phone records from that night showed rachel's