David Kay was charged by the Bush administration with finding weapons of mass destruction in Iraq after the invasion. Instead of finding weapons, though, he found what he told SPIEGEL was 'the biggest intelligence fiasco of my lifetime.'
SPIEGEL: As head of the Iraq Survey Group, you led the effort to follow up on the claims made by 'Curveball,' the asylum seeker from Iraq who told German intelligence that Saddam Hussein was building mobile biological weapons laboratories. Do you remember the first time you began to doubt his story?
Kay: The real shock was that the CIA had never spoken to him directly. To this day, I still don’t understand. How can you hang the most dramatic part of a case for war on an individual no American agent has ever directly debriefed? I realized right away, we needed to follow up in Baghdad on whatever leads we had concerning 'Curveball.'