4. Pedro Rodrigues Filho – Brazil – 1967 To 2003 – 71 Proven Victims
Pedro Rodrigues Filho is a Brazilian serial killer. Nicknamed Pedrinho Matador and arrested in 1973, in 2003 he was convicted of murdering at least 71 people and sentenced to 128 years in prison. The maximum prison term that can be served in Brazil is 30 years. Convicted and sentenced to 128 years, but the maximum one can serve in Brazil is 30 years. He has claimed to have killed over 100 victims, 47 of them inmates. He also killed his father and ate a piece of his heart. He killed his first two victims at the age of 14; he was first arrested in 1973.