Takeshi Ebisawa pleaded guilty to conspiring to traffic nuclear materials, including uranium and weapons-grade plutonium, from Myanmar to other countries, U.S. officials said.

An alleged leader from Japan’s Yakuza crime syndicate has pleaded guilty to trafficking nuclear materials from Myanmar as part of a global web of trades in drugs, weapons and laundered cash, according to the US Department of Justice.

A member of the Japanese yakuza criminal underworld pleaded guilty to handling nuclear material sourced from Myanmar and seeking to sell it to fund an illicit arms deal, US authorities said Wednesday.