凶きょう悪あく犯はん

noun

heinous criminal; vicious criminal

Refers to a criminal who has committed a particularly brutal or atrocious crime. Often used in news reports and legal contexts.

• 警けい察さつは凶きょう悪あく犯はんを逮たい捕ほするために大だい規き模ぼな捜そう査さを行おこなった。

  The police conducted a large-scale investigation to arrest the heinous criminal.

• その凶きょう悪あく犯はんは無む期き懲ちょう役えきを言いい渡わたされた。

  The vicious criminal was sentenced to life imprisonment.