A woman shot by “Son of Sam” killer David Berkowitz nearly 60 years ago found herself in the crosshairs again this week when she was confronted by a friend of the serial killer who lectured her about the murderer’s innocence. Wendy Savino was at Valley Cottage Library in Rockland County Wednesday when Frank DeGennaro — who became friends with the heartless killer 30 years ago — confronted her and insisted Berkowitz did not shoot her ... Savino was shot three times as she sat in her brand new silver Jaguar XJS on April 9, 1976, in the Bronx. ... She...