john hargrove is an alcoholic who's long suffered from depression. and his salvage yard. >> he had been sober for about six months. orr-reed was on the way up again. >> but things never stay good for john hargrove long. january 26. >> hannah came to my house crying. she couldn't find him, he wouldn't answer phone calls. >> for my father to not pick me up for work that morning, it was very strange. >> hannah contacts local hospitals, but there is no trace of john. by evening, the family reluctantly calls the morgue... and has their worst fears confirmed. >> i honestly still have a scar on my knee from sinking to the ground so quickly. >> were you with hannah? >> and my son. i'd wished him dead so many times cause i was so angry with him, but i remember going, "i didn't mean it, i'm sorry, i didn't mean it," you know, [crying] but...you know. i never wanted that for john, never. >> or for your children. >> or for my babies. [ siren wails ] >> the police open a murder case. it turns out john got drunk and hit an east dallas nightclub with a history of v