John Grayken, left, the chairman of Dallas, Texas-based Lone Star Funds is body checked by court security guard upon his arrival at the Seoul District Court Office in Seoul, South Korea, Friday, Jan. 11, 2008. The chairman of Lone Star Funds was set to testify in a high-profile South Korean trial involving the U.S. buyout group as prosecutors said Thursday they plan to question him afterward. (AP Photo/Lee Jin-man)

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