Rafid Ahmed Alwan al-Janabi, codenamed "Curveball" by the German BND intelligence service, was an Iraqi defector whose fabricated claims of mobile biological-weapons laboratories formed a central pillar of the case for the 2003 invasion of Iraq. His allegations were featured prominently in Colin Powell's 5 February 2003 presentation to the UN Security Council. The Senate Intelligence Committee (2004) and the Iraq Survey Group Duelfer Report (2005) found the claims without factual basis. Alwan admitted fabrication to The Guardian in 2011.