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This post documents the crimes of Pedro Rodrigues Filho to analyze criminal psychology and the failure of justice systems. We condemn all acts of murder. Not for glorification.
The Case of Pedro Rodrigues Filho: Brazil’s Serial Killer Who Claimed to Be a Vigilante
Pedro Rodrigues Filho
In the history of world crime, some names provoke pure horror because of senseless brutality, while others provoke uneasy questions about justice, revenge, and the fine line between killer and hero. Pedro Rodrigues Filho, of Brazil, belongs to the second category.
Described by criminologists as the “perfect psychopath,” Filho admitted to killing at least 70 people – and possibly more than 100 – but most of his victims were not innocent. He killed drug dealers, rapists, and murderers – a claim criminologists dispute and which does not excuse his crimes. He killed his own father with 22 stab wounds, tore out his heart, and bit into it.
He killed 47 fellow inmates while in prison. Yet upon his release, he became a YouTuber warning young people away from a life of crime. And in the end, he died at the hands of unknown assassins, exactly as he had lived: by violence.
First, the early years of Pedro Rodrigues Filho all but guaranteed a violent outcome: he was born with a skull injury caused by his father beating his pregnant mother, and he committed his first murder at the age of only 14.
Pedro Rodrigues Filho In Prison
Filho was born in 1954 in Minas Gerais, Brazil, into a poor and violent family. His father regularly beat his mother, and one of those beatings injured Filho’s skull while he was still in the womb. At age 14, he committed his first murder. The victim was the deputy mayor of his hometown of Santa Rita do Sapucaí. Filho believed the deputy mayor was responsible for his father’s firing. He took his father’s shotgun, went to the town hall, and shot the deputy mayor dead on the spot. Then he turned the gun and shot the other guard he suspected was the actual thief. In a single day, a 14-year-old child had killed two men. From that moment, Filho became a fugitive, and his path of violence had officially begun.
Second, Pedro Rodrigues Filho was not a random killer; he had a distinct “moral code”: he killed only those he considered guilty – drug dealers, rapists, and murderers.
After fleeing to the Mogi das Cruzes area of São Paulo, Filho began a personal crusade. He robbed drug dens, killed the dealers he encountered, and gradually earned a name in the media as “Pedrinho Matador” (“Lil’ Petey Killer”). During this time, Filho fell in love with a woman named Maria Aparecida Olympia, whom he called Botinha. They lived together, and she became pregnant. But Botinha was killed by a gang leader seeking revenge against Filho. That shock turned Filho into an unrelenting revenge machine. He tracked down and tortured anyone connected to Botinha’s death, and in the end, he killed every member of that gang. He later claimed that he had never killed an innocent person – a controversial claim that does not excuse mass murder.
Third, the most brutal and symbolic act of Filho’s life came when he killed his own father in prison with 22 stab wounds, then mutilated his father’s body.
When Filho was captured and being transported to prison, his father – himself a criminal – murdered Filho’s mother with a machete blow. For Filho, this was the ultimate betrayal. Both were incarcerated in the same prison. Filho planned meticulously. He went to his father’s cell, and before his father could react, he stabbed him 22 times. Not stopping there, Filho opened his father’s chest, tore out his heart, and bit into it. He later told reporters: “I just chewed it. I cut the tip of his heart off and chewed it, and I threw it on top of his body.” This act was not merely murder; it was a ritual, an ultimate declaration of power, and a testament to the level of brutality a human being can reach when driven by rage and the desire for revenge.
Fourth, during his first 34 years in prison, Filho killed at least 47 fellow inmates, turning the prison into his personal battlefield and raising his total sentence to 400 years – but Brazilian law at the time allowed a maximum of only 30 years served.
En route to prison for the first time on May 24, 1973, Filho was placed in a police car with two other criminals, including a rapist. When police opened the car door, they found the rapist dead, killed by Filho during the journey. That was only the beginning. Inside Brazil’s prisons, Filho quickly became a nightmare for other inmates. He killed those he considered deserving of death: rapists, child murderers, drug dealers even behind bars. In total, Filho admitted to killing 47 fellow inmates. Although his cumulative sentence reached 400 years due to multiple convictions, Filho served only 34 years in his first term, released in 2007, plus an additional seven years after another arrest. This was possible because Brazilian law at the time limited maximum prison time to 30 years (later raised to 40).
Fifth, after his release in 2007, Filho underwent a surprising transformation: he became a social media celebrity, launched a YouTube channel, told his crime stories, and urged young people to avoid a life of crime – before being murdered by unknown assailants in 2023.
In 2007, Filho was freed. He took a job as a night watchman. In 2011, Filho was arrested again on charges of threatening others, illegal weapons possession, and participating in prison riots. He served another seven years and was released a second time in 2018. Now in his sixties, he decided to start a YouTube channel. On his channel, Filho recounted his life story and warned young people that a life of crime leads only to suffering, prison, and death. However, Filho’s story came to an abrupt end on March 5, 2023, when he was shot and his throat slashed outside a relative’s home in São Paulo. The attackers were in a black car. To this day, the identities of the killers remain a mystery.
Pedro Rodrigues Filho is a deeply contradictory figure who defies easy moral categorization. He was a serial killer with a staggering number of victims, yet he targeted other criminals. He was a son who killed his father with unimaginable savagery, yet he did it to avenge his mother. He killed 47 people in prison, yet upon release he used his platform to warn others away from crime. Though he claimed a “moral code” and insisted he only killed criminals, the truth remains that no individual has the right to replace the justice system in dispensing death, no matter how deserving the victim may seem. His legacy is not one of heroism, but a cautionary tale about the danger of vigilante justice, about how childhood trauma can turn a child into a monster, and about the price one pays for living by violence. Pedro Rodrigues Filho, the “perfect psychopath” in the eyes of criminologists, ultimately met the end of a killer: he was killed.
Primary sources:
Brazilian judicial records and sentencing documents related to Pedro Rodrigues Filho.
Interviews by the Toronto Sun and Daily Star with Filho after his release.
Studies by Brazilian criminologist Dr. Ilana Casoy on serial killers in Brazil.