noun
A person who has committed a crime; used in legal, news, and everyday contexts. Slightly formal compared to 犯人.
警察は犯罪人の行方を追っている。
The police are tracking the whereabouts of the criminal.
彼は犯
He was tried as an offender.
犯罪者 is a near-synonym also meaning 'criminal' or 'offender'. 犯罪人 is slightly less common and can sound more formal or literary.
Compound of 犯罪 (crime) + 人 (person). The reading はんざいにん follows standard on'yomi.