The man who terrorized New York with a series of “Son of Sam” street shootings insists he’s a changed man and ready to be freed from prison. David Berkowitz killed 6 people and wounded 7 others in 1976 and 1977, but he professes to have freed himself from Satan’s control andto 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 third installment of her Crime Stories “evil genius” series.

Also read: From Black Sabbath to ‘Puff the Magic Dragon’: Here are the favorite bands of America’s most notorious killers

Also this week, Nancy explores the cases of Santa Barbara shooter Elliot Roger, UNABOMBER Ted Kaczynski, and serial killers Ted Bundy and Rodney Alcala.

“Crime Stories with Nancy Grace” is a national radio show, heard on SiriusXM’s Triumph Channel 132, five times a day. You can also subscribe and download the daily podcasts at iTunes and Google Play.

[Feature Photo: David Berkowitz via AP]