A convicted felon from Massachusetts pleaded guilty to illegally importing plutonium from Russia and selling it to customers in the U.S. and abroad.
https://www.foxnews.com/us/massachusetts-felon-pleads-guilty-after-doj-says-he-sold-russian-plutonium-67-customers
https://www.foxnews.com/us/massachusetts-felon-pleads-guilty-after-doj-says-he-sold-russian-plutonium-67-customers