WASHINGTON- The United States today offered a total $30 million in return for information on key leaders of the feared Haqqani militant network. Reward of $5 million each has been authorized for information leading to the location of Aziz Haqqani , Khalil al-Rahman Haqqani , Yahya Haqqani and Abdul Rauf Zakir. The previous reward for information on the group leader, Sirajuddin Haqqani has been increased to $10 million.