Japanese police had conducted 13 undercover investigations into "dark" part-time jobs through last month, National Police Agency sources said Thursday. https://www.japantimes.co.jp/news/2026/01/29/japan/crime-legal/japan-police-undercover-probes/?utm_medium=Social&utm_source=mastodon #japan #crimelegal #japanesepolice #npa #organizedcrime