Never Let Them See You Sweat
There is a theory arising among weapons experts that Iraq may not have had any WMDs since 1995, but that they defectors who claimed that there were may have been double agents, dispatched by Saddam, to propagate the illusion as a deterrent to his enemies.

And what is the source of this theory? The captured Iraqi scientists & officials that the coalition has been holding for the last 4-5 months.