
Jorge Matute Johns was a 23-year-old university student in the Biobío Region of southern Chile. On the night of 19 November 1999 he went out to La Cucaracha, a discotheque in the Biobío Region. Most reports place the club in Talcahuano, though some describe it as a Concepción venue; both cities form one metropolitan area. In the early hours of 20 November he was seen at or near the club for the last time. He did not return home, and for more than four years his family had no idea whether he was alive.
His mother, María Teresa Johns, and his brother, Alex Matute Johns, became the public face of the search. Their long campaign made the case one of Chile's best-known unsolved deaths.
From the start the inquiry was marked by institutional friction. Years later, the judge who led the final phase of the investigation, Carola Rivas, said publicly that the two national police forces, Carabineros and the Policía de Investigaciones (PDI), had competed rather than cooperated, damaging evidence and crime scenes and pressuring witnesses.
On 12 February 2004 Matute's remains were found on the banks of the Biobío River. The discovery ended the uncertainty about whether he was alive but did not explain how he had died. According to Meganoticias, the first investigation was shelved in 2010 without any clear explanation, and it was reopened in 2014.
The reopened case was entrusted to Rivas as a ministra en visita, a special judge appointed by the Concepción Court of Appeals. Further scientific analysis of the remains detected pentobarbital, a barbiturate. In 2015 Chile's Servicio Médico Legal concluded that Matute had died of pentobarbital intoxication involving third parties, effectively classifying the death as a crime rather than an accident or suicide.
Rivas also revived an investigative line that had been dropped in the first months of the case, nicknamed "Hoja de Parra". It rested partly on a protected witness's statement from December 1999 describing men who allegedly drugged young patrons' drinks in order to pick them up. Rivas's working theory was that Matute had been given the drug by people who intended to abuse him. Investigators drew up a list of 19 men, questioned more than 70 people and narrowed the list to 12. Seven of those 12 had died by the time they were identified, and the five who were still alive were questioned and ruled out.
In late July 2016 the PDI arrested a former security guard at La Cucaracha, identified by T13 as Cristián Montes, together with his partner, Cherie Ruiz. Rivas explained that the pair had presented themselves as the last people to see Matute alive, but that their statements were false and had steered the inquiry off course. Both were released two days later, and neither has been convicted of any offence in the case.
No one has ever been convicted of killing Jorge Matute Johns. On 31 December 2018, after a final round of steps requested by the complainants, Rivas closed the investigation. Her ruling held that the forensic and police reports proved a crime had been committed, but that no evidence pointed to anyone as perpetrator, accomplice or concealer. She ordered a temporary dismissal (sobreseimiento temporal), meaning the case can be revived only if new and decisive information appears.
On the 25th anniversary in November 2024, the family said a genuinely new lead would be needed to reopen the case, and Alex Matute urged anyone with knowledge of his brother's death to come forward. A Netflix drama inspired by the case brought new conflict: his mother said she had repeatedly opposed it. When the trailer for the series, Alguien tiene que saber, appeared ahead of its scheduled April 2026 release, she described it as very violent and said she feared others would profit from her family's grief. As of 2026, the criminal case remains suspended without anyone held responsible.
The Matute Johns case has become shorthand in Chile for the cost of a botched start to a criminal investigation. It was handled under the country's older written procedure, in which a single judge both investigates and rules, and its long sequence of closures, reopenings and appeals showed how hard it is to recover from lost evidence years after the fact. The open rivalry between Carabineros and the PDI described by the judge herself fed a wider debate about coordination between the two forces. For Biobío, the case remains a painful reminder that a death officially recognised as a crime can still go unpunished.
Last reviewed: November 6, 2026