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US court sentences Japanese yakuza member for nuclear material trafficking

Prosecutors cite plutonium-for-weapons scheme tied to Myanmar and Iran, export controls tighten while black markets reprice

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Takeshi Ebisawa, a member of a yakuza crime group, was sentenced to 20 years in prison by a New York court on Tuesday after being convicted of trafficking nuclear material, drugs and weapons. Takeshi Ebisawa, a member of a yakuza crime group, was sentenced to 20 years in prison by a New York court on Tuesday after being convicted of trafficking nuclear material, drugs and weapons. japantimes.co.jp
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A US federal court in New York has sentenced Japanese national Takeshi Ebisawa to 20 years in prison after he pleaded guilty to trafficking nuclear material, drugs and weapons, according to the Japan Times. Prosecutors said the case involved an attempt to sell “weapons-grade plutonium” and to trade narcotics for advanced weapons, including surface-to-air missiles, intended for armed groups in Myanmar.

The case illustrates how strategic commodities can move through the same brokerage channels as conventional contraband. Ebisawa, described by the Japan Times as a member of a yakuza crime group, was already in custody on drug and weapons charges when US authorities added allegations in 2024 that he sought to sell military-grade nuclear material. The prosecution framed the matter not as an abstract proliferation risk but as a bundled marketplace: nuclear material offered alongside heroin and methamphetamine, with the proceeds aimed at acquiring high-end weapons.

For states, such episodes tend to justify tighter controls that spill into legitimate trade. When a defendant can allegedly shop “weapons-grade” material across borders, the easiest bureaucratic response is more screening, more licensing, and broader suspicion of intermediaries—particularly in sectors that already rely on compliance paperwork rather than physical inspection. That can raise costs for exporters and shippers who handle dual-use goods, and it pushes more activity into opaque networks that price in the risk.

The case also shows how enforcement narratives are built. The Justice Department’s national security leadership said Ebisawa had attempted to sell plutonium to Iran and to “flood New York” with narcotics, the Japan Times reports, tying foreign-policy threat and domestic harm into a single indictment. That combination makes prosecutions politically legible and helps agencies defend budgets for long investigations.

Ebisawa has been jailed since April 2022 and pleaded guilty to six charges in January 2025, according to the Japan Times. On Tuesday, the court imposed a 20-year sentence.

The alleged buyer in the nuclear-material strand was not a state procurement office but an illicit counterpart. The sentence, by contrast, is a state instrument: a long prison term that signals deterrence while the underlying market adapts.