一網 いちもう打尽 だじん
ichimōdajin

Noun

1. round-up (e.g. of criminals); wholesale arrest; catching the whole herd with one throw

Yojijukugo
わたくし泥棒 どろぼう一網 いちもう打尽 だじん逮捕 たいほした。
watashiwa dorobōo ichimōdajinni taiho shita
I arrested many thieves at the same time.