Evil Genius: Serial killer 'Son of Sam' to walk free?

The man who terrorized New York with a series of "Son of Sam" shootings insists he's a changed man and ready to be freed from prison. David Berkowitz killed 6 and wounded 7 others in 1976 and 1977, but he professes to have freed himself from Satan's control and to have found God. Nancy Grace looks at the case with private investigator Vincent Hill, New York psychologist Caryn Stark, and Los Angeles defense lawyer Troy Slaten in this 3rd installment of her Crime Stories "evil genius" series.