>> there were more friends, and cops talked to all of them, even a running buddy, who joined the party that friday night at the bar. >> you kind of hung out with her for a little while? >> um, i was there with her for probably 45 minutes that night. >> but he said he hadn't seen lauren since. >> do you know where lauren is? >> no. >> nobody was immune from suspicion, even among that group of friends. >> you're thinking about your friends, and you're questioning your friends. you're never asking them, hey, did you do something to lauren, but you're wondering in your mind. >> can't stop that wondering. >> no. i mean, who do you trust? you can't really trust anybody. and that's terrifying. >> did that include joe? >> yes. i'm ashamed to admit it, but yes.