doug detrie spent 18 days in jail. f left katelyn and hailey more bewildered than anything else. by now, they had come to believe doug was responsible. >> doug detrie is released. it's a huge twist to all of this. what are you two thinking? >> it was definitely surprising and not the news we wanted to hear at that point. >> did this start to shift your focus away from doug learning about the dna? >> we knew that there was someone else's dna so then it became whose dna. >> and there was different rumors of what could have happened. but we kind of worked around our own scenarios trying to figure out why this could have went bad. it was supposed to be a fun night out for her. why did it go so wrong. >> there was a lot of, you know, missing pieces. >> reporter: as for angela and the rest of doug's supporters, they were elated by the news that doug was now freed. >> i'm like oh my god. thank god. they had no proof it was doug. no proof. and nor would he have ever done this. >> did you feel sort of vindicated because maybe yo