In response, the GAO rechecked its data and it stands by its original conclusion.

NPR: Wounded Soldier Fights for Health Benefits

The documentation that accompanies the sample is checked and rechecked for consistency and correctness.

BBC: The drug-busters

But following inquiries from Forbes.com, Gatling says, the CDC's statisticians rechecked what was in the database and discovered the inaccuracies.

FORBES: Magazine Article

Mr. Gerhardt, who checked the condition of the cello upon arriving at Dulles from Germany, believes a TSA agent at Dulles removed the cello and bow, rechecked for the flight to Chicago, and didn't properly seat them in the case.

WSJ: Frequent-Flier Miles for Cellos, Other Large Musical Instruments Foment Debate--Middle Seat