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.
An advance notice of a crime was posted online.
The police stepped up security after receiving the crime announcement.
General term for advance notice; 犯行予告 specifically refers to a notice of a criminal act.
A statement claiming responsibility after a crime; 犯行予告 is a notice before the crime.
Compound of 犯行 (criminal act) and 予告 (advance notice).