On the fourth day of testimony in the Arthur Schirmer trial, prosecutors tried to show the preacher had a motive to kill his wife, love for another woman.
They also presented a D-N-A expert who confirmed the blood found in Schirmer's garage most likely belonged to his wife.
Another expert presented computer simulations of the crash Schirmer claims killed his wife.
That expert testified Schirmer could not have been telling the truth when he said he was going 55- miles an hour.
It's more likely he was going closer to twenty.
Schirmer has maintained his wife Betty Jean died in a 2008 car crash. But police say he beat her and then staged that crash.