Cut The Clutter : Khalid Sheikh Mohammad or KSM, key 9/11 plotter who’s trial begins on eve of its 20th anniversary

Who’s Khalid Sheikh Mohammed or KSM, key plotter whose trial begins on eve of 20th anniversary of 9/11? Shekhar Gupta explains and draws a connection between 9/11, 1993 Bombay blasts, IC 814 Hijack and Daniel Pearl killing as the trial of the most significant terrorist in the world in custody today is about to begin.