steve harmon and paul grech. >> you said two things, special man, special situation. >> i think both say this is a man that we like and that we know and we don't feel he could have done anything like this. >> reporter: so chris hall and his daughters prepared for a trial which they hoped would make clear to everybody, the police, the neighbor, the world, that chris would not, could not, did not harm the love of his life. >> there was never in 30 years of marriage one moment of violence. there was no motive for this man to kill his wife. >> reporter: harmon and grech had a look at neighbor lindsay patterson's eyewitness account and suggested it was really not conclusive at all. it was tragically incomplete. >> she saw three snapshots. what is missed by everyone is the wife getting into the jacuzzi, slipping, falling into the jacuzzi, hitting her head, going unconscious, and drowning. >> reporter: see this sharp corner sticking out into the spa? hitting her head on this would certainly have opened a gash and knocked christi out, said the attorney. >> she didn't see what was really happ