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A serial killer is typically a person who murders three or more people, with the murders taking place over more than a month and including a significant period of time between them.[1][2] The US Federal Bureau of Investigation (FBI) defines serial killing as “a series of two or more murders, committed as separate events, usually, but not always, by one offender acting alone”.[2][3]

Identified serial killers

Name Years active Proven victims Possible victims Status Notes Ref
do Amaral, José Augusto 1926–1927 3 8 Died before trial Considered the first Brazilian serial killer; murdered and raped three young men around São Paulo; guilt is disputed .[4]
Antunes Trigueiro, Marcos 2009–2010 5 5+ Imprisoned Known as “The Industrial Maniac”; raped and murdered women around Belo Horizonte [5]
de Assis Pereira, Francisco 1997–1998 11 11 268 years imprisonment Known as “The Park Maniac”; tortured, raped, and murdered women at a park in São Paulo [6]
Baptista, Douglas 1992–2003 8 8+ 60 years imprisonment Known as “The São Vicente Maniac”; bound and drowned children in Baixada Santista [7]
Basílio Rodrigues, Leandro 2007–2008 5 9+ 111 years imprisonment Known as “The Guarulhos Maniac”; strangled and raped women around Guarulhos [8]
Baú, Luiz 1975–1980 5 5 Escaped from custody; fate unknown Known as “The Monster of Erechim”; schizophrenic who murdered a boy he groomed; later escaped and murdered an additional four people in four days [9]
Botton Neto, Fortunato 1986–1989 3 13 Died in prison Known as “The Trianon Maniac”; murdered and robbed wealthy gay men around Trianon Park [10]
Bueno, Abraão José 2005 4 4 110 years imprisonment Nurse who fatally sedated children in an attempt to save them and be portrayed as heroic [11]
Celestrino, Dyonathan 2008 3 3 Incarcerated Known as “The Cross Maniac”; Neo-paganist who murdered three people in religious rituals [12]
Costa de Andrade, Marcelo 1991 14 14+ Interned at a psychiatric facility Known as “The Vampire of Niterói”; murdered and raped young boys around Itaboraí, sometimes mutilating their bodies or drinking their blood [13]
Costa de Oliveira, Pedro 1922–1952 3 3 Died in prison Murdered and raped women after their refused to cater to his sexual fetishes [14]
Ferraira de Sousa, Anísio 1989–1992 3 19 Died in prison Doctor and spiritualist implicated in the Altamira child emasculations [15]
Figueira da Rocha, Diogo 1894–1897 50 50+ Presumably killed in a shootout with police Career criminal who murdered various people around São Paulo [16]
Firmino Gomes, Roneys Fon 2005–2015 6 6+ 21 years imprisonment Known as “The Tower Maniac”; murdered prostitutes around Maringá and abandoned their bodies underneath electrical towers [17]
Garanhuns cannibals 2008–2012 3 8 Imprisoned Trio of cannibals who murdered at least one teenage and two women in Pernambuco [18]
Gomes da Rocha, Tiago Henrique 2011–2014 11 39 25 years imprisonment Former security guard who killed homeless people, women, and homosexuals during supposed robberies around Goiás [19]
Guimarães, Edson Izidoro 1999 4 131 76 years imprisonment Nurse who fatally poisoned patients at a hospital in Méier to relieve them of their suffering [20]
Guimarães da Silva, Paulo Sérgio 1998–1999 7 7 184 years imprisonment Known as “The Cassino Maniac”; targeted couples at Praia do Cassino [21]
Índio do Brasil, Febrônio 1925–1927 6 6+ Died in a psychiatric facility Mentally-ill religious maniac who sexually assaulted and strangled young boys and teens [22]
Lisboa, Paulo José 1980s–2000 11 11 Died a free man in 2022 Known as “The Chain Maniac”; killed prostitutes in São Paulo and Espírito Santo, some while a fugitive from the law [23]
de Marco, Francisco 1953–1984 7 7+ Deceased; exact fate unknown Known as “The Monster of Rio Claro”; raped and murdered children around São Paulo and Minas Gerais, emasculating his male victims [24]
Matias, José Vicente 1999–2005 6 6 23 years imprisonment Former artisan who raped, murdered, and dismembered women across four states [25]
Moreira de Carvalho, Benedito 1952 11 11 Died in a psychiatric facility Known as “The Monster of Guaianases”; rapist who strangled young children, often targeting those of Japanese descent [26]
Oliveira Rosário, Ademir 1991–2007 3 3 57 years imprisonment Known as “The Cantareira Maniac”; serial rapist who murdered two teenagers after being released from a previous manslaughter conviction [27]
de Oliveira, Florisvaldo 1982–1983 50 50+ Murdered in 2012 Former police officer who murdered suspected criminals on the outskirts of São Paulo [28]
de Oliveira, Ibraim
de Oliveira, Henrique 		1991–1995 (Ibraim)
1995 (Henrique) 		7 (Ibraim)
6 (Henrique) 		8+ (Ibraim)
6+ (Henrique) 		Killed by police (Ibraim)
40 years imprisonment (Henrique) 		Known as “The Necrophile Brothers”; killed people around their hometown of Nova Friburgo, having sex with the bodies of female victims [29]
de Oliveira, Sebastião Antônio 1953–1975 5 5 Committed suicide before trial Known as “The Monster of Bragança”; raped and murdered minors around Bragança Paulista [30]
de Oliveira Batos, Ronis 2011 8 8 Died in a psychiatric facility Known as “The Itaquaquecetuba Serial Killer”; shot and stabbed men at random around Itaquaquecetuba [31]
Patrocínio Orpinelli, Laerte 1990–1999 10 10+ Died in prison Known as “The Bicycle Maniac”; itinerant door shiner who raped and murdered children around São Paulo [32]
Paz Bezerra, José 1970–1971 7 24 Released in 2001 Known as “The Monster of Morumbi”; strangled and raped women around São Paulo and Pará [33]
Pereira da Costa, João Acácio 1966–1967 4 4 Killed in self-defense in 1985 Known as “The Red Light Bandit”; burglar who shot and killed four people during burglaries and robberies [34]
Ramos, José 1863–1864 9 9+ Died in prison Together with his wife and an accomplice, committed the “Rua do Arvoredo murders” in Porto Alegre; killed and robbed wealthy immigrants, allegedly turning their remains into sausages [35]
Rodrigues de Brito, Francisco das Chagas 1991–2004 30 42 580 years imprisonment Pedophile who raped, murdered, emasculated and mutilated young boys around Maranhão [36]
Rodrigues Filho, Pedro 1968–2007 71 100+ Murdered after release in 2023 Known as “Killer Petey”; vigilante who murdered other criminals while incarcerated in various prisons around Brazil [37]
Rosa da Conceição, Pedro 1906–1911 6 18 Died in a psychiatric facility Murdered three people at a train station, and later two inmates and a guard at the psychiatric facility he was interned at; confessed to murdering a family of 12 in a previous incident [38]
da Silva, Adriano Vicente 2001–2004 10 13 264 years imprisonment Known as “The Monster of Passo Fundo”; murdered a taxi driver in União da Vitória; escaped from prison, after which he started strangling children around Rio Grande do Sul [39]

Unidentified serial killers

Name Years active Proven victims Possible victims Regions where active Notes Ref
Guarulhos Strangler 2001–2002 8 8 São Paulo Raped and strangled women and young girls in Guarulhos [40]
Rainbow Maniac 2007–2008 13 13 São Paulo Responsible for the Paturis Park murders targeting homosexual men; police officer Jairo Francisco Franco was charged, but later acquitted, of the crimes [41]

See also

References

  1. ^ Ronald M. Holmes; Stephen T. Holmes (1998). Contemporary Perspectives on Serial Murder. SAGE Publications. p. 1. ISBN 0-7619-1421-8. Retrieved 15 June 2016. Serial murder is the killing of three or more people over a period of more than 30 days, with a significant cooling-off period between the murders […] The baseline number of three victims appears to be most common among those who are the academic authorities in the field. The time frame also appears to be an agreed-upon component of the definition.
  2. ^ a b Burkhalter Chmelir 2003, p. 1.
  3. ^ Morton 2005, p. 4, 9.
  4. ^ Ninni, Karina (1 December 2009). “Preto Amaral – O 1º serial killer brasileiro” [Preto Amaral – The 1st Brazilian serial killer]. Diário Insano (in Portuguese). Archived from the original on 22 February 2016. Retrieved 22 February 2010.
  5. ^ “Latrocínio em Contagem pode aumentar ficha criminal de Marcos Antunes Trigueiro” [Robbery in Contagem could increase Marcos Antunes Trigueiro’s criminal record]. globominas.globo.com (in Brazilian Portuguese). Globo. Archived from the original on 20 May 2013. Retrieved 2 July 2025.
  6. ^ Capriglione, Laura (12 August 1998). “Fui eu” [Was me]. Veja. Archived from the original on 21 October 2007. Retrieved 9 February 2014.
  7. ^ “Acusado de matar 8 crianças é condenado a 30 anos de prisão” [Accused of killing eight children sentenced to 30 years imprisonment]. R7 (in Portuguese). 10 August 2017. Archived from the original on 2 August 2022. Retrieved 14 September 2025.
  8. ^ Kleber Tomaz (24 April 2015). “‘Guarulhos Maniac’ is sentenced to 111 years for killing four women”. G1 (in Portuguese). Archived from the original on 26 April 2015.
  9. ^ “100 years in Erechim: history of one of the greatest murderers in RS became a legend in the northern region” (in Portuguese). G1. Archived from the original on 30 October 2020. Retrieved 26 October 2020.
  10. ^ André Nogueira (2 September 2020). “GIGOLO AND KILLER: TRIANON MANIAC, THE UNUSUAL SERIAL KILLER FROM SÃO PAULO”. Aventuras na História (in Portuguese). Archived from the original on 30 April 2021. Retrieved 30 April 2021.
  11. ^ “Ex-enfermeiro que matou crianças em hospital do Rio é condenado a 110 anos” [Former nurse who killed children in Rio hospital is sentenced to 110 years]. Último Segundo (in Portuguese). 16 May 2008. Archived from the original on 19 June 2008. Retrieved 24 November 2019.
  12. ^ Isabela Sanchez (11 March 2019). “Juíza diz que presídio ainda é melhor lugar para “Maníaco da Cruz”“ [Judge says prison is still the best place for the ‘Cross Maniac’]. Campo Grande News (in Portuguese).
  13. ^ Tortamano, Caio. “O Vampiro de Niterói: o serial killer brasileiro mais aterrorizante da década de 90”. Aventuras na História (in Brazilian Portuguese). Retrieved 15 April 2020.
  14. ^ “Matou três mulheres” [Murdered three women]. Diário da Noite (in Portuguese). 30 April 1952. p. 5. Archived from the original on 3 November 2022. Retrieved 5 November 2022 – via Hemeroteca Digital Brasileira.
  15. ^ “Meninos Emasculados de Altamira: Resumo do Caso” [Emaculated Boys of Altamira: Case Summary] (PDF). Hospital das Clínicas da Universidade de São Paulo (in Portuguese). Archived from the original (PDF) on 11 June 2007. Retrieved 24 November 2019.
  16. ^ Schneider, Marília (2003). “Além Da Justiça: O Homicida Dioguinho e Seus Cúmplices” [Beyond Justice: The Murderer Dioguinho and His Accomplices] (PDF). Revista de Jurisprudência (in Portuguese). 3 (6). Tribunal de Justiça do Estado do Rio Grande do Sul. ISSN 1676-5834. Archived from the original (PDF) on 19 September 2020. Retrieved 24 November 2019 – via Biblioteca Digital Jurídica do Superior Tribunal de Justiça.
  17. ^ Souza, William (15 March 2019). “‘Maníaco da Torre’ é condenado a 21 anos e 4 meses de prisão” [’Tower Maniac’ is sentenced to 21 years and 4 months in prison]. G1 (in Portuguese). Archived from the original on 13 April 2019. Retrieved 24 November 2019.
  18. ^ “Trio conhecido como ‘Canibais de Garanhuns’ tem aumento de pena determinado pela Justiça” [Trio known as ‘The Cannibals of Garanhuns’ have sentence increase determined by Justice]. G1 (in Portuguese). 17 July 2019. Archived from the original on 26 March 2022. Retrieved 15 September 2022.{{cite news}}: CS1 maint: bot: original URL status unknown (link)
  19. ^ “Brazil man ‘confesses to 39 murders’“. BBC News. 16 October 2014. Archived from the original on 15 April 2019. Retrieved 17 October 2014.
  20. ^ Yorker, Beatrice Crofts; Kizer, Kenneth W.; Lampe, Paula; Forrest, A.R.W.; Lannan, Jacquetta M. & Russell, Donna A. (November 2006). “Serial Murder by Healthcare Professionals”. Journal of Forensic Sciences. 51 (6). Wiley-Blackwell: 1362–1371. doi:10.1111/j.1556-4029.2006.00273.x. PMID 17199622. S2CID 5976779.
  21. ^ “The Cassino Maniac” (in Portuguese). Jornal Hoje. 26 February 2002. Archived from the original on 27 November 2020. Retrieved 19 November 2020.
  22. ^ Wunderlich, Alexandre (1 July 2000). “Os casos de Piérre Rivière e Febrônio Índio do Brasil como exemplos de uma violência institucionalizada” [The cases of Piérre Rivière and Febrônio Índio do Brasil as examples of institutionalized violence]. Jus Navigandi (in Portuguese). 5 (43). Teresina. ISSN 1518-4862. Archived from the original on 23 March 2019. Retrieved 24 November 2019.
  23. ^ Wallacy Ferrari (5 February 2022). “CONHECIDO POR MATAR PROSTITUTAS NOS ANOS 90, ‘MANÍACO DA CORRENTE’ É ENCONTRADO MORTO” [KNOWN FOR KILLING PROSTITUTES IN THE 90S, ‘CHAIN MANIAC’ IS FOUND DEAD]. Aventuras na História (in Portuguese). Archived from the original on 5 February 2022.
  24. ^ Fabiano Alcântara (18 December 1997). “Mães reconhecem ossadas de crianças” [Mothers recognize bones of children]. Folha de S.Paulo (in Portuguese). Archived from the original on 1 October 2022. Retrieved 14 September 2025.
  25. ^ “‘Corumbá’ condenado a 23 anos por matar estudante” [’Corumbá’ sentenced to 23 years for killing student]. Jornal Pequeno (in Portuguese). 4 June 2008. Archived from the original on 9 June 2008. Retrieved 24 November 2019.
  26. ^ Marie Declercq (1 April 2018). “Os homens que não amavam as mulheres: dois assassinos e estupradores em série de São Paulo” [The men who didn’t like women: two serial killers and rapists from São Paulo]. Vice (in Portuguese).{{cite news}}: CS1 maint: url-status (link)
  27. ^ Marina Novaes (13 March 2012). “‘Maníaco da Cantareira’ pega 57 anos por estuprar e matar 2 irmãos” [’Cantareira Maniac’ gets 57 years for raping and killing 2 brothers]. Terra.com (in Portuguese). Archived from the original on 20 September 2022. Retrieved 16 September 2022.{{cite news}}: CS1 maint: bot: original URL status unknown (link)
  28. ^ Ferreira, Luiz Carlos (25 March 2015). “Cabo Bruno mata 50 e morre com 20 tiros” [Cabo Bruno kills 50 and dies with 20 shots]. Folha de S.Paulo (in Portuguese). Archived from the original on 29 December 2017. Retrieved 29 December 2017.
  29. ^ Marie Declercq (14 January 2018). “Os irmãos necrófilos de Nova Friburgo” [The Necrophile Brothers of Nova Friburgo]. VICE (in Portuguese).{{cite news}}: CS1 maint: url-status (link)
  30. ^ Torres, Edison (5 February 1975). “O monstro de Bragança”. O Cruzeiro (in Portuguese). Vol. XLVII, no. 6. pp. 28–33. Archived from the original on 10 December 2019. Retrieved 24 November 2019 – via Biblioteca Nacional do Brasil.
  31. ^ Fabio Previdelli (2 March 2020). “ASSASSINO SOBRE DUAS RODAS: OS CRIMES DO SERIAL KILLER DE ITAQUAQUECETUBA” [KILLER ON TWO WHEELS: THE CRIMES OF THE ITAQUAQUECETEBA SERIAL KILLER] (in Portuguese).
  32. ^ “Condenado por matar 10 crianças, ‘maníaco da bicicleta’ morre na prisão” [Convicted of killing 10 children, ‘Bicycle Maniac’ dies in prison]. O Globo (in Portuguese). 16 January 2013. Archived from the original on 3 March 2016.
  33. ^ “Reportagem Retrô: José Paz Bezerra, o monstro estrangulador” [Retro Report: José Paz Bezerra, the strangling monster]. O Aprendiz Verde (in Portuguese). 19 March 2018. Archived from the original on 29 May 2019. Retrieved 24 November 2019.
  34. ^ Terci, M. R. (4 November 2019). “Bandido da Luz Vermelha: o criminoso que aterrorizou São Paulo”. Aventuras na História (in Brazilian Portuguese). Retrieved 13 November 2023.
  35. ^ Cabral, Danilo Cezar (25 November 2016). “Who was José Ramos, the Butcher of Rua de Arvoredo. In 19th-century Porto Alegre, José Ramos (?-1893) and his lover killed for greed in cold blood in a bizarre story of ‘passive cannibalism’“ (in Portuguese). Revista Mundo Estranho, Editora Abril. Archived from the original on 7 January 2018. Retrieved 6 January 2018.
  36. ^ Teixeira, Jerônimo (10 January 2007). “Ele matava, abusava, mutilava” [He killed, abused, mutilated]. Veja (in Portuguese). Archived from the original on 31 March 2014. Retrieved 24 November 2019.
  37. ^ Rezende, Marcelo (11 June 2012). “Exclusivo: Marcelo Rezende entrevista criminoso que matou mais de cem pessoas” [Exclusive: Marcelo Rezende interview with criminal that killed more than one hundred people]. R7 News (in Portuguese). Archived from the original on 15 June 2012. Retrieved 24 November 2019.
  38. ^ Uma morte que lembra uma das mais brutaes tragedias registradas pela nossa policia, Correio da Manhã (February 26, 1919)
  39. ^ Maria Eduarda Ely (8 September 2022). “Caso de serial killer que matava meninos na Região Norte do RS completa 20 anos” [Case involving serial murder of boys in Northern RS completed after 20 years]. G1 (in Portuguese).
  40. ^ Giba Bergamim Jr. (31 August 2002). “Polícia diz que estrangulador de Guarulhos pode ter matado dez” [Police say Guarulhos strangler may have killed ten]. Folha de S.Paulo (in Brazilian Portuguese).
  41. ^ Olle, Nick (10 December 2008). “Police hunt suspected serial killer in Brazil”. ABC News. Archived from the original on 10 December 2008. Retrieved 5 September 2017.

Bibliography