noun
advance notice of a crime; crime announcement
Refers to a public warning or declaration that a crime will be committed, often used in legal or news contexts.
犯行予告がネットに投稿された。
An advance notice of a crime was posted online.
警察は犯行予告を受けて警戒を強めた。
The police stepped up security after receiving the crime announcement.
Compound of 犯行 (criminal act) and 予告 (advance notice).