that incident was eerily foreshadowed months earlier by a phone call patrick hilberling received from >> she had pushed him down the stairs. he was down in the basement. i could hear her up at the top of the stairs screaming, you know, "who you talking to?" and he goes, "dad, i don't know what to do." and i told him to leave. i said, "you need -- just leave." "get out of there." >> reporter: to support the abuse claim, the prosecutor had an explosive piece of evidence. it was a protective order detective felton found in the couple's apartment, taken out by josh against his wife just weeks before his death, and after she had cracked him over the head with a lamp. josh had told police he needed 11 stitches to close the wound. >> the order listed josh as being the plaintiff and amber being the defendant, which, you know, means that he got the protective order against her. >> reporter: the state believed that was court-ordered proof that amber was a violent woman, likely out of control the day her husband died. in fact, just before that fatal push, josh had phoned his dad patrick and plea