After the raid, the U.S. military launched a crackdown on the group and the raid's mastermind Azhar al-Dulaimi was killed in Baghdad, while much of the group's leadership including the brothers Qais and Laith al-Khazali and Lebanese Hezbollah member Ali Musa Daqduq who was Khazali's advisor was in charge of their relations with Hezbollah.
According to Mark Urban's book on Special Forces in Iraq, Task Force Black, documents seized on March 20, 2007, when Qais Khazali and Ali Musa Daqduq were captured, described al Dulaimi's role in the Karbala attack and provided sufficient information for the raid where al Dulaimi died.
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