source: 逆転裁判

verb: declare (someone) to be guilty of a criminal offense by the verdict of a jury or the decision of a judge in a court of law

〔裁判所が〕～に有罪判決を出す［下す］、～に有罪を宣告する、～を有罪と宣告する(antonym: acquit)

They were convicted of fraud: 彼らは詐欺で有罪判決を受けた

a convicted murderer: 服役中の殺人犯

noun: a person found guilty of a criminal offense and serving a sentence of imprisonment.

〔有罪宣告を受けた〕囚人、受刑者

mid 16th century (in the sense ‘overcome, defeat in argument’): from Latin convincere, from con- ‘with’ + vincere ‘conquer’.