South Korean president Lee Dong - bak apologized for recent events . Former President Roh Moo-hyun committed suicide in 2009 amid an investigation into a bribery scandal that had tarnished his reputation . Lee 's older brother and father are suspected of taking responsibility . ` ` This is all my fault , '' Lee said in a speech to the nation .
South Korean president Lee Dong - bak apologized for recent events . Lee 's older brother and father are suspected of taking responsibility . ` ` This is all my fault , '' Lee said in a speech to the nation .