Pedro Rodrigues Filho: also known as "Pedrinho Matador"; convicted and sentenced to 128 years imprisonment for 70 murders; however, the maximum one can serve in Brazil is 30 years; claimed to have killed more than 100 victims, including 40 prison inmates
Anísio Ferreira de Sousa: gynaecologist who was convicted of the murder of three children but linked to the disappearance of a total of 19
Francisco de Assis Pereira: Brazilian rapist and serial killer, known as "O Maníaco do Parque" (The Park Maniac). He was arrested for the torture, rape and death of 11 women and for assaulting nine in a park in São Paulo, Brazil during the 1990s.
Thug Behram: alleged to have killed over 900 people; executed in 1840
Stoneman: name given by the popular English language print media of Calcutta to an alleged serial killer who menaced the streets of that city in 1989. The Stoneman was credited with thirteen murders over six months (the first in June 1989).
Surender Koli: convicted of raping and murdering four children in Delhi in 2005 and 2006 with another 12 cases pending
Raman Raghav: killed homeless people and others in their sleep
Vlado Taneski: crime reporter arrested in June 2008 for the murder of three elderly women on whose deaths he had written articles; committed suicide in police custody; suspected of killing another woman
Sara Aldrete: also known as "La Madrina"; cult follower of Adolfo Constanza; convicted in 1994 of murdering several individuals during her association with Constanza
Juana Barraza: also known as "Mataviejitas" ("Old Lady Killer"); operated within the metropolitan area of Mexico City until January 25, 2006
José Luis Calva: cannibal; police found the remains of multiple female victims in his house; committed suicide on December 11, 2007
Adolfo Constanzo: also known as "The Godfather of Matamoros"; serial killer and cult leader in Mexico; committed suicide in 1989
Francisco Guerrero: also known as "El Chalequero" ("The man of the vests"); the first documented serial killer in Mexico; committed approximately 20 murders between 1880 and 1888 plus one more in 1908.
Magdalena Solis: religious fanatic, proclaimed "The High Blood's Priestess", killed 8 persons in ritual sacrifices.
Abdul Latif Sharif: also known as "The Ciudad Juárez`Predator"; a migrant responsible for murdering an unknown number of women in Ciudad Juárez, maybe 15 murders but only he was convicted by one. He died in prison.
Gabriel Garza Hoth: named "The Black Widower", killed 3 women between 1991 and 1998, his victims were wives and lovers.
Tadeo Fulgencío Mejía: responsible by several murders during the 1890s and 1900s, motivated by delirious idea of to contact with deceased wife. Now the house in Guanajuato, where he committed the crimes, is known as "The House of laments" (Casa de los lamentos), and according to the legend the mansion's haunted.
Felícitas Sánchez Agullón: named "The Ogress of Roma neighborhood" was a nurse, midwife and baby farmer responsible for an unknown number of murders number during the 1930s, maybe 50 victims, in Mexico City.
Leszek Pękalski: also known as the "Vampire of Bytów"; killed up to 17 women
Skin Hunters: Karol Banaś, Andrzej Nowocień, Dr. Janusz Kuliński and Dr Paweł Wasilewski, paramedicas and doctors in Łódź who killed patients for profit; all four were convicted and officials are investigating possible accomplices
Joachim Knychała: also known as the "The Vampire of Bytom" or "Frankenstein", who murdered five women between 1975 and 1982.
António Luís Costa: ex-GNR officer who murdered three women between 2005 and 2006. Sentenced to 25 years in prison.
Vera Renczi: poisoned two husbands, one son and 32 of her suitors in the 1920s and 1930s
Ondrej Rigo: killed, raped and mutilated 9 women in Amsterdam, Munich and Bratislava, always wearing socks on his hands; he remains the Slovak murderer with the highest number of victims and he is also the most prolific serial killer in modern Slovak history.
Jozef Slovák: after serving just 8 years for his first murder from 1978, Slovák killed at least 4 other women in Slovakia and Czech Republic in the early 1990s; highly intelligent, holder of numerous patents in electronics.
Silvo Plut: killed three women; committed suicide in prison in 2007
Metod Trobec: raped and killed at least five women; committed suicide in prison in 2006
Enriqueta Martí: self-proclaimed witch who kidnapped, prostituted, murdered and made potions with the remains of small children in early 20th century Barcelona (12 bodies were identified in her home); murdered in prison while awaiting trial in 1913
Dámaso Rodríguez Martín: El Brujo ("The Warlock"), serial rapist and voyeur imprisoned in 1981 after attacking a couple, killing the man and raping the woman. Escaped from prison to the Anaga mountains in 1991, where he killed two German hikers (one of them was raped). Cornered in an abandoned house, he shot himself unsuccessfully, only to be shot dead in turn by law enforcement.
José Antonio Rodriguez Vega: El Mataviejas ("The Old Lady Killer"), raped and killed at least 16 elderly women, sentenced to 440 years in prison in 1995, murdered by fellow inmates in 2002
John Ingvar Lövgren: Confessed to four murders committed between 1958 and 1963 in the Stockholm region.
Süleyman Aktaş: also known as "The Nailing Killer" , killed five people and nailed them in the eyes and head. He is kept in a psychiatric hospital.
Adnan Çolak: also known as "The Beast of Artvin"; killed 17 elderly women in Artvin, Turkey from 1992 to 1995. in 2000 he was sentenced to death six times, and 40 years in prison. However, since October 1984, Turkey has not executed any prisoners, and as of 2004, Turkey does not have capital punishment (death penalty).
Özgür Dengiz: serial killer from Ankara, who killed four people and cannibalized at least one.
Ali Kaya: also known as "The Babyface Killer"; responsible for 10 murders.
Yavuz Yapıcıoğlu: also known as "The Screwdriver Killer"; responsible for at least 18 murders.
Anatoly Onoprienko: also known as "The Terminator"; murdered 52 people from 1989 until his capture in 1996
Serhiy Tkach: convicted of raping and murdering 36 women, but claims the total is 100
Vladislav Volkovich and Vladimir Kondratenko: also known as the "Nighttime Killers"; charged with shooting, stabbing and bludgeoning 16 victims to death in Kiev between 1991 and 1997; Kondratenko committed suicide in prison during the trial; Volkovich was found guilty and sentenced to life imprisonment
John Childs: known as the most prolific hit man in the UK, he was convicted in 1979 of six contract killings, though none of the bodies have been found. He implicated two others in the murders, but they were released in 2003 after a judge ruled that Childs is a "pathological liar".
Fred West and Rosemary West: also known as "House of Horrors" murderers; she was convicted of 10 murders; both are believed to have tortured and murdered at least 12 young women between 1967 and 1987, many at the couple's home in Gloucester; he committed suicide in 1995 while awaiting trial
Catherine Wilson: nurse considered to have poisoned seven people in the 19th century
Mary Elizabeth Wilson: also known as the "Merry widow of Windy Nook"; convicted of murdering two husbands by poisoning and considered to have killed two others
Toronto hospital baby deaths: deaths of at least eight babies at Toronto's Hospital for Sick Children in 1980 and 1981 were initially alleged to be digoxin poisonings, a theory which was cast into doubt by new evidence in 2010-2011.
Beer Man: murdered seven people in south Mumbai between October 2006 and January 2007
Monster of Florence: committed eight murders of couples in a series of 16 between 1968 and 1985. Giancarlo Lotti and Mario Vanni were convicted of four the four episodes, but this conviction has been widely criticized.
^Pilcher, Jeffrey M. (2006). "2. THe Porfirian Jungle". The Sausage Rebelion: Public Health, Private Enterprise, and Mead in Mexico City, 1890-1917 (1 st. ed.). New Mexico, USA: University of New Mexico Press. pp. 62–65. ISBN978-0-8263-3796-2. Retrieved 2012-07-20.
^Del Castillo Troncoso, Alberto (1888). "13. El Chalequero". In Fondo de Cultura Económica. Libro Rojo, Vol. 1 (in Spanish) (1st. ed.). Mexico City, Mexico: Gerardo Villadelángel. pp. 128–145. ISBN9681686152. Retrieved 2012-07-20.