noun
compulsory investigation; compulsory search
Legal term for an investigation or search conducted under legal authority, often requiring a warrant or court order.
警察は令状に基づいて強制捜査を行った。
The police conducted a compulsory search based on a warrant.
任意捜査 is a voluntary investigation conducted with the consent of the person involved, while 強制捜査 is carried out under legal authority without requiring consent.
Compound of 強制 (compulsory) and 捜査 (investigation).