I meant to post about this story sooner, but there was a power outage in my neighborhood most of the weekend. This story is unbelievable: I know, I say that a lot.

Detainee 200343 was among thousands of people who have been held and released by the American military in Iraq, and his account of his ordeal has provided one of the few detailed views of the Pentagon’s detention operations since the abuse scandals at Abu Ghraib. Yet in many respects his case is unusual.

The detainee was Donald Vance, a 29-year-old Navy veteran from Chicago who went to Iraq as a security contractor. He wound up as a whistle-blower, passing information to the F.B.I. about suspicious activities at the Iraqi security firm where he worked, including what he said was possible illegal weapons trading.

But when American soldiers raided the company at his urging, Mr. Vance and another American who worked there were detained as suspects by the military, which was unaware that Mr. Vance was an informer, according to officials and military documents.

At Camp Cropper, he took notes on his imprisonment and smuggled them out in a Bible...read on