The World's Most Bizarre Murders, by James Marrison
https://www.google.co.uk/books/edition/The_World_s_Most_Bizarre_Murders/KSGtDwAAQBAJ?https://www.google.co.uk/books/edition/The_World_s_Most_Bizarre_Murders/KSGtDwAAQBAJ?hl=en&gbpv=1hl=en&gbpv=1
https://globoplay.globo.com/v/3825969/
https://aventurasnahistoria.uol.com.br/noticias/reportagem/o-vampiro-de-niteroi-o-serial-killer-brasileiro-mais-aterrorizante-da-decada-de-90.phtml
https://alchetron.com/Marcelo-Costa-de-Andrade
https://murderpedia.org/male.C/c/costa-de-andrade.htm
https://criminalminds.fandom.com/wiki/Marcelo_Costa_de_Andrade#Known_Victims
https://todasextafeira13.medium.com/marcelo-costa-de-andrade-o-vampiro-de-niter%C3%B3i-aa8e1e9c58e7
https://www.podcastcdd.com.br/post/37-marcelo-costa-de-andrade-o-vampiro-de-niter%C3%B3i-serial-killer
http://misterios-fofocas.blogspot.com/2016/08/serial-killers-o-vampiro-de-niteroi.html
Gabrielasw, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons