Amitava Kumar in The Daily Beast:
There was a further surprise. In what he had sent me, there was mention of his incarceration, in a federal prison in upstate New York, a few months after the events of 9/11. He was suspected of being a terrorist. I had known of this, but I had also found him taciturn and secretive; I was surprised that he was prepared to stand in his blue and gold robes at graduation and read aloud about having been put behind bars.
I will call him Khalid Farooq. He is 34 years old, and grew up in Abbotabad in Pakistan. He arrived in the U.S. on Sept. 5, 2001. Over the year that I have now known him, Khalid had mentioned his arrests—the first only a few days after the September attacks—but the details I was now reading were new to me.
More here.