special prosecutor; special counsel
Refers to an independent prosecutor appointed for politically sensitive or high-profile cases, especially in the U.S. legal system.
特別検察官が大統領の疑惑を捜査した。
The special prosecutor investigated the allegations against the president.
「特別」(special) + 「検察官」(prosecutor) の複合語。米国の制度を指すことが多い。