List of unsolved serial killer murders

This list of unsolved serial killer murders includes notable cases where victims have been murdered by unknown serial killers. For cases that span multiple years, entries are listed under the year the first murder took place.

1800–1899

Servant Girl Annihilator (a.k.a. Austin Axe Murderer), Austin, Texas, USA, 1884–85.

Thames Torso Murders, London, United Kingdom, 1887–89.
Whitechapel murders by Jack the Ripper, London, United Kingdom, 1888.

1900–1949

Denver Strangler, Denver, Colorado, 1894–1903.
Cumminsville murders, Cincinnati, Ohio, 1904–1910.
Atlanta Ripper, Atlanta, Georgia, USA, 1911
Axeman of New Orleans murders, USA, 1918–19.
Cleveland Torso Murderer (a.k.a. The Mad Butcher of Kingsbury Run), Cleveland, Ohio, USA, 1935–38.
Phantom Killer, Texarkana (Texas and Arkansas), USA, 1946.
Hamburg rubble murderer, Hamburg, Germany, 1947.

1950–1999

Jack the Stripper, London, UK, 1964–65.
Pirmasens child killer, Pirmasens, Germany, 1960–1967.
Zodiac Killer, Northern California, USA, 1968–69.
Bible John, Glasgow, Scotland, 1968–69.
Monster of Florence, Province of Florence, Italy, 1968–1985.
Freeway Phantom, Washington, D.C., USA, 1971–72.
Alphabet murders, Rochester, New York, USA, 1971–73.
Charlie Chop-off, Manhattan, USA, 1972–74
Santa Rosa Hitchhiker Murders, Sonoma County, California, USA, 1972–74.
The Doodler, San Francisco, California, USA, 1974–75.
Ann Arbor Hospital Murders, Ann Arbor, Michigan, USA, 1975
Flat-Tire murders, USA, 1975
Gypsy Hill killings, San Mateo County, California, USA, 1976.
Saw-Killer of Hanover, Hanover, Germany, 1975–1977.
Oakland County Child Killer, Oakland County, Michigan, USA, 1976–77.
South County car bomber, St. Louis County, Missouri, USA, 1977.
Toronto hospital baby deaths, Toronto, Canada, 1980–1981.
Tynong North and Frankston Murders, Melbourne, Australia, 1980–1981.
Connecticut River Valley Killer, USA, 1978–87.
Redhead murders, USA, 1978–1992.
Ohio prostitute killer, Ohio, USA, 1981–1990
Monster of Udine, Province of Udine, Italy, 1980–89.
Chicago Tylenol murders, Chicago area, USA, 1982.
Brabant killers, Belgium, 1982–85
Paraquat murders, Japan, 1985.
Mineral, Washington murders, Washington, 1985.
Frankford Slasher, Philadelphia, USA, 1985–90.
Honolulu Strangler, Hawaii, USA, 1985–86.
Colonial Parkway Killer, Colonial Parkway, USA, 1986–89
New Bedford Highway Killer, New Bedford, Massachusetts, USA, 1988–89.
Łódź Gay Murderer, Łódź, Poland, 1988–1993.
Stoneman, Kolkata, India, 1989.
Bowraville Murders, Bowraville, New South Wales, Australia, 1990–91
Lisbon Ripper, Lisbon, Portugal, 1992–93.
I-70 Killer, Indiana, Missouri, Kansas and Texas, USA, 1992–1994.
The killers of both Habyalimana Juvenal former President of Rwanda and Ntaryamira of Burundi, 1994
El Psicópata, Costa Rica, 1986–1996.
Claremont serial murders, Claremont, Western Australia, 1996–1997.
Butcher of Mons, Mons, Belgium, 1996–1997.

2000–2009

The Smiley face murder theory
Barnaul Maniac, Barnaul, Russia, 1997–2000.
West Mesa murders, Albuquerque, New Mexico, USA, 2003–05.
Sleepy Hollow Killer, Pietermaritzburg, South Africa, 1990s–2007.
Danilovsky Maniac, Cherepovets, Russia, 2004–2007.
B1 Butcher, B1 road, Namibia, 2005–07.
Daytona Beach killer, Daytona Beach, Florida, USA, 2005–07.
Edgecombe County serial killer, USA, 2005–08
Eastbound Strangler, Atlantic City, New Jersey, USA, 2006.
Beer Man, Mumbai, India, 2006–07.
Feb 9 Killer, USA, 2006–08.
Paturis Park murders, Carapicuíba, Brazil, 2007–08.
Volga Maniac, Russia, 2011–2012.
The Long Island serial killer, Long Island, New York, 1996–2013.

2010–2019

Pharmacy Maniac, Chelyabinsk, Russia, 2011.
Seminole Heights serial killer, Tampa, Florida, USA, 2017.

Suspected serial killers

John Bodkin Adams, a physician suspected of being a serial killer in England. One alleged victim, Gertrude Hullett, was found to have committed suicide at the inquest in 1956, but Dr. Adams was indicted for her murder the following year. The case was then dropped by the prosecution via a nolle prosequi, an action described by the judge as an "abuse of process".

References

External links

Media related to Unsolved deaths at Wikimedia Commons

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