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Pakistani nuclear scientist Abdul Qadeer Khan waves at his residence after a court verdict in Islamabad on February 6, 2009. A Pakistani court order on February 6 ruled that Khan, father of the country's atomic bomb, was a free citizen, five years after he was effectively put under house arrest. AFP PHOTO/ Aamir QURESHI (Photo by Aamir QURESHI / AFP) (Photo by AAMIR QURESHI/AFP via Getty Images)

Pakistani nuclear scientist Abdul Qadeer Khan waves at his residence after a court verdict in Islamabad on February 6, 2009. A Pakistani court order on February 6 ruled that Khan, father of the country's atomic bomb, was a free citizen, five years after he was effectively put under house arrest. AFP PHOTO/ Aamir QURESHI (Photo by Aamir QURESHI / AFP) (Photo by AAMIR QURESHI/AFP via Getty Images)