i volunteered a mouth swabs. >> and omar's dna was not a match for what was found under heather's fingernail. >> o'connell posh satchel'send kayree jeffery could've been a suspect. but he was in a match either. neither was keyona bor. omar had an alibi for the day heather of's murder. and as for the photo of omar in the white truck. >> i'm taking a picture, in the rearview mirror. that picture was taken two years before i ever came to -- that truck has never even been in fremont, ohio. >> after having their patients tried for four months, heather's family came to the conclusion that fog sean o'connell was dead wrong. >> my gut instinct was that sean just wasn't doing what he was doing. everything he was doing was wrong. >> heather's family thought the real suspect was somewhat much closer to heather. and they thought the best clue might be that haircut given to death heather bogle by her killer. >> coming up -- >> stories of bad blood between heather and her brother. >> they were fighting a lot? >> oh yeah, he knew what to say that we get under her skin. >> it is fair to assume that heather and josh did not see eye to e