Federal Police removed criminal expert João Cláudio Nabas on Tuesday (19) for suspected leaking of confidential information from Operation Compliance Zero. According to an STF statement, Nabas allegedly passed data to a journalist about contracts between Justice Alexandre de Moraes' wife's law firm and Banco Master. ✓
Press quotes (2)
"A Polícia Federal (PF) realiza uma operação nesta terça-feira (19) que tem como alvo um perito da própria instituição, suspeito de vazar informações da Operação Compliance Zero"
"A suspeita da PF nessa apuração é que Nabas teria vazado informações de Moraes apreendidas no telefone celular do banqueiro Daniel Vorcaro, como o contrato do escritório de advocacia da mulher do ministro, a advogada Viviane Barci, com o Banco Master"
The operation executed search and seizure warrants authorized by Justice André Mendonça, the case's rapporteur at the STF. The expert was suspended and is subject to precautionary measures including prohibition from communicating with other suspects. He will face charges for violating official secrecy, a crime punishable by six months to six years in prison. ✓
Press quotes (2)
"Foram cumpridos dois mandados de busca e apreensão, autorizados pelo ministro André Mendonça, relator do caso no Supremo Tribunal Federal (STF). O agente da PF envolvido foi afastado das funções, além de estar sujeito a medidas alternativas à prisão"
"O perito deverá agora responder pela suspeita de violação de sigilo funcional, crime previsto no Código Penal com pena mínima de seis meses e máxima de seis anos"
The leaked information was obtained during analysis of material seized from banker Daniel Vorcaro's phone in early phases of Compliance Zero — an operation investigating billionaire fraud at Banco Master. According to Federal Revenue data cited by press, Viviane Moraes' law firm received R$ 80.2 million from Master in 2024 and 2025. ✓
Press quotes (2)
"O material repassado ilegalmente continha informações obtidas a partir da análise das apreensões feitas durante uma das primeiras fases da operação"
"Segundo informações da Receita Federal, o escritório de Viviane Moraes recebeu R$ 80,2 milhões em pagamentos do Master em 2024 e 2025"
The STF emphasized the investigation does not target journalistic work or violate source protection. Operation Compliance Zero has arrested 21 people and frozen over R$ 27 billion across six phases since November 2025. ✓
Press quotes (2)
"De acordo com a nota, o Supremo garante a liberdade de atuação jornalística e a garantia constitucional do sigilo da fonte"
"Até o momento, foram presas 21 pessoas e cumpridos 116 mandados de busca e apreensão. Mais de R$ 27 bilhões em bens e valores foram bloqueados ou sequestrados pela Justiça"
Eugênio Aragão left Paulo Henrique Costa's defense amid plea bargain negotiations
Paulo Henrique Costa was arrested on April 16 during the fourth phase of Operation Compliance Zero
Covered by only some sources, or where the accounts diverge.
Covered by only some sources (2)
João Cláudio Nabas is the name of the removed federal criminal expert
Viviane Moraes' law firm received R$ 80.2 million from Banco Master in 2024 and 2025
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What is the specific content of contracts between Viviane Moraes' law firm and Banco Master?
Why it's still unknown: The STF decision was kept under seal and sources do not detail contractual terms
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What other confidential data was leaked besides information about Moraes?
Why it's still unknown: The STF did not specify the complete scope of material leaked by the expert
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How did João Cláudio Nabas gain access to data seized from Vorcaro's phone?
Why it's still unknown: Sources do not explain Federal Police internal procedures for expert analysis of seized material
Did not cover: Jornal do Brasil