Brazilian authorities arrested a former head of investigators from the São Paulo Civil Police and two other officials in May 2026 [1].

The arrests highlight the deep penetration of organized crime within Brazil's law enforcement and judicial systems. When high-ranking officers collaborate with gangs, it compromises the integrity of criminal investigations and threatens the lives of public prosecutors.

Known as "Operação Infiltrados," the coordinated action between the São Paulo Public Prosecutor's Office and the Civil Police led to the detention of three people [1], [2]. Those arrested include the former police investigator chief, a former civil police officer, and a former intern from the Public Prosecutor's Office [1], [2].

Investigators believe the group acted as infiltrators for the Primeiro Comando da Capital, known as the PCC [1]. The PCC is one of Brazil's most powerful criminal organizations, often operating through a network of corrupted officials to maintain its influence over prisons and urban territories.

Beyond the general infiltration of state institutions, the suspects are accused of plotting the assassination of a prosecutor [1]. The operation was carried out on May 9, 2026 [1], [2]. While some reports have referred to the action by different names or dates, the primary records identify the mission as Operação Infiltrados [1], [2].

The arrests follow a pattern of efforts by the state of São Paulo to purge internal corruption. The collaboration between the Public Prosecutor's Office and the police was essential to uncover the plot before the targeted official could be harmed [1].

Authorities arrested three individuals in São Paulo for allegedly plotting to kill a prosecutor.

The arrest of a high-ranking police official and a judicial intern suggests that the PCC is targeting multiple levels of the justice system simultaneously. By placing assets in both the investigative police and the prosecution's office, the gang can monitor active cases and identify targets for elimination, creating a systemic risk to the rule of law in São Paulo.