Khan stole centrifuge designs from his employer in the 1970s and used them to develop Pakistan’s nuclear program. He later passed them on to other countries.

Not long ago, Abdul Qadeer Khan used to walk into a wooded park across the street from his mansion in Pakistan’s capital city and feed the monkeys who lived there. That was when he was a national hero and a multimillionaire, owner of a fleet of vintage cars and properties…