Terrorist David Coleman Headley on Saturday revealed in court the codes he used to communicate with his handlers in terror group Lashkar e Taiba. "Old Uncle," he said was the code name for Hafiz Saeed, Lashkar founder and mastermind of the 26/11 Mumbai terror attacks that killed 166 people. Lashkar commander Zaki ur Rehman Lakhvi, Headley said, was "young uncle."