In 2003 GW Bush sent 1400 WMD hunters to Iraq. The report of the Iraq Survey Group findings is called the Duelfer Report
https://www.gpo.gov/fdsys/pkg/GPO-DUELFERREPORT/content-detail.html
The only thing resembling WMDs that they could find were degraded chemical artillery shells left over from Gulf War I.
Dubya himself concedes that no WMDs were found
https://www.youtube.com/watch?v=3M-ClS5uwNo
LOL