The Search for Iraq's Weapons of Mass Destruction

In early 2004, the White House began to realise that Saddam Hussein may not have had WMDs. The existence of chemical and biological agents in Iraq had been a key justification for the invasion in 2003. Hear from the man in charge of the search for the weapons, Iraq Survey Group head Dr David Kay.

(Photo: Former US President George W. Bush. Credit: AP)