he picked up the phone and called karin's sister. >> he goes, are you ready for this? he said, the dna came back. i said, it did? he goes, ed owens. i said, who is ed owens? >> and suddenly what once seemed a case of tying up old loose ends had been blown wide open. coming up -- >> i just want to know why. >> what really happened that night in the bedroom? a mysterious suspect faces new charges, but there's another twist ahead. >> you're not going to believe what we just found. when the secrets in the suitcase continues.