How to say "crackdown" in Japanese

• 大捕り物おおとりもの
  nounThis is really a roundup, manhunt, or swoop — a large sweep catching many offenders; it can also mean rounding up animals. Less common, it is seldom the word you want for a police crackdown.
• 手入れていれJLPT N2approx.Common
  noun, suru verb, transitive verbCovers 'crackdown' as a police raid: officers move in on a place or activity where something illegal is going on. As the common word for this sense, it is the safe choice.
  本店ほんてんは警察けいさつの手入ていれを受うけた。↗

  The main office was raided by the police.

For a police crackdown or raid, 「手入れ」 is the common, safe choice; 「大捕り物」, less common, is really a roundup, manhunt, or swoop — a large sweep catching many offenders — and matches 'crackdown' only in that sweeping sense.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• 大捕り物おおとりものroundup (criminals, animals, etc.)
• 手入れていれ(police) raid