Frankford Slasher

The primary source for this piece was the coverage in the Philadelphia Inquirer, August 1985 – July 2000, along with supplements from the following books.

Mendoza, Antonio.  Killers on the Loose: Unsolved Cases of Serial Murder. Revised and updated. Virgin, 2002.

Newton, Michael.  Still at Large: A Casebook of Twentieth Century Serial Killers Who Eluded Justice.  Loompanics Unlimited, 1999.

Newton, Michael.  The Encyclopedia of Serial Killers.   Checkmark, 2000.

Schechter, Harold.  The Serial Killer Files.  New York: Ballantine, 2003.