The Chicago Rippers

Colindres, Adriana, et al.   "Cult Killer's Execution Set for Sept. 18," Chicago Sun-Times.  March 29, 1991.

"Clemency Adds Fuel to Death Penalty Debate," Chicago Tribune. January 12, 2003.

Crimmins, Jerry.   "Kokoraleis Found Guilty in Rape, Killing."  Chicago Tribune.  Feb. 12, 1985.

Fletcher, Jaye Slade.   Deadly Thrills: The True Story of Chicago's Most Shocking Killers. New York: Onyx, 1995.

Frisbie, Thomas.   "Du Page Man Guilty in Slaying," Chicago Sun-Times.  March 19, 1987.

             --"Man Sentenced to Death for '82 Murder of Elmhurst Woman," Chicago Sun-Times. March 21, 1987.

Furio, Jennifer.   The Serial Killer Letters.  Philadelphia: The Charles Press, 1998.

Gutowski, Christy.   "Families Assail Plea for Mercy.  Even Review Board Shocked by Member of Ripper Crew," Daily Herald.  October 18, 2002.

Howard, Amanda and Martin Smith.   River of Blood: Serial Killers and Their Victims.  Boca Raton, FL: Universal Publishers, 2004. 

Kelly, Bill.   Homicidal Mania.  www.cybersleuths.com.

Knott, Andy.   "Murder Suspect Told Police he Stabbed Woman Executive." Feb. 7, 1985.

Newton, Michael.   The Encyclopedia of Serial Killers.  NY: Checkmark Books, 2000.

Rodriquez, Alex and Dave McKinney.   "Execution Case under Review." Chicago Sun-Times, Feb. 24, 1999.

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

York, Byron.   "The Death of Death." The American Spectator.  April 1, 2000.

Zorn, Eric.   "Defense Attorney Admits Mutilation." Chicago Tribune.  Feb 26, 1986.

             --"Prosecutor to Seek Death Penalty." Chicago Tribune.   Feb. 25, 1986.

             --"Spreitzer Sentenced to Death."  Chicago Tribune, March 20, 1986.