Prosecutors called in former President Lee Myung-bak's son Lee Si-hyung on Sunday to question him in connection with slush fund allegations and suspicious trade involving an auto parts company he owns.<br /> Prosecutors suspect his father, the former president,... abused his presidential power to help the company -- called DAS -- recoup investments and create slush funds under dozens of fake names, evade taxes and embezzle money.<br />Investigators are also looking at who actually owns DAS,... with more and more people suspecting the owner is Lee Myung-bak, the former president himself, not his son or his brother.<br />Watchers say, with the investigation zeroing-in on the former president's family members,... Lee Myung-bak could soon be called in for questioning himself. <br />
