Advertisement Report Shows ISIS Used Mustard Gas Against Syrian Rebels Justin Salhani Nov 6, 2015, 7:26 pm SHARE Facebook Twitter Email SMS WhatsApp Share Iraqi dictator Saddam Hussein was accused of using mustard gas and the nerve agent taubun in his country’s war with neighboring Iran as well as his 1987–88 crackdown on Iraq’s Kurdish minority. CREDIT: AP PHOTO, FILE Advertisement