Overview
- The ruling allows Fabiano Zettel to skip the CPI session and, if he attends, to remain silent without taking an oath to tell the truth.
- André Mendonça relied on the same reasoning used to release the brothers of Minister Dias Toffoli and lawyer Paulo Humberto Barbosa from mandatory appearances.
- Zettel, the brother‑in‑law of banker Daniel Vorcaro, remains under federal investigation tied to Banco Master and was temporarily arrested in the second phase of Operação Compliance Zero.
- The Senate commission is examining suspected irregular financial movements, investment funds, and real‑estate dealings connected to Banco Master and its associates.
- Members of the CPI expect other summoned individuals to seek similar Supreme Court relief, potentially constraining the committee’s ability to compel testimony.