How many homicides did a serial killer confess to before his execution and were investigated by Robert D. Keppel?
Robert D. Keppel: Robert David Keppel (born 15 June 1944) is a retired American law enforcement officer and detective best known for his work investigating serial killers Ted Bundy and Gary Ridgway. Ted Bundy: Theodore Robert Bundy (born Theodore Robert Cowell; November 24, 1946 – January 24, 1989) was an American serial killer, kidnapper, rapist, burglar and necrophile who assaulted and murdered numerous young women and girls during the 1970s, and possibly earlier.
i don't know