Complex sentence: On 12 December 2003, a raid on a house in Baghdad, that was being used as an insurgent headquarters, captured al-Musslit, early the next morning he revealed where Saddam may be found.
Split into simpler sentences: On 12 December 2003, a raid on a house in Baghdad that was being used as an insurgent headquarters captured al-Musslit. Early the next morning he revealed where Saddam may be found.