前韩国总统李明博因腐败案接受问话

Former South Korean President Lee Myung-bak was questioned by prosecutors Wednesday in connection to a massive corruption probe, joining a long list of ex-leaders tainted by scandal.

The 76-year-old Lee is suspected of accepting over $10 million in bribes from the National Intelligence Service, as well as Samsung and other businesses and individuals. The ex-president is also alleged to have embezzled as much as $30 million from auto parts company DAS. Lee's brother is the largest shareholder in DAS, but prosecutors believe Lee actually owns the company.

The conservative Lee, who served as president from 2008 to 2013, publicly apologized when he arrived at the Seoul Central District Office for questioning. "I am deeply sorry for causing concern to public," he said, while offering hope that he will be "the last former president" to face a criminal probe.

Lee has maintained his innocence throughout the investigation, calling it "political revenge" by current liberal President Moon Jae-in.