out in blacksville around 4:00 in the morning.it was one of those things like, "okay, let's start all over. what happened? you tell us. it's not saying anybody's in trouble. let's just put closure for the family. let's find skylar." >> you speak to rachel about this. you mentioned she changes her story. >> so now we have them from, "yeah, we dropped skylar off -- then we went straight home," to, "now, okay, we did drop skylar off, but we went out to blacksville and smoked marijuana." >> and what did shelia have to say? >> her statement was similar to rachel's. >> what was their demeanor like? >> the two girls were different, like night and day. rachel was obviously more nervous. she seemed to be distracted. she would not look at us when she was talking. when we would talk to shelia, she would look right at you in your eyes. she did not appear to be nervous. she was calm. she was collect. >> at that point, we didn't want to say too much to them. because "a," if skylar was a runaway, they were telling her if we were close. it was al