Lawyers said that the U.S. offered some 2.4 million dollars to the affected families under a blood money deal.

Photo taken on Jan. 28, 2011 shows Pakistani security officials escort Raymond Allen Davis (front) to a local court in eastern Pakistan's Lahore. Davis, an American who worked as an CIA contractor killed two Pakistanis in Lahore on January 27th, was acquitted on March 16 by the Lahore district court following a reconciliation with the relatives of the two persons killed by him, local media quoted the law minister of Punjab province as saying. [Jamil Ahmed/Xinhua]

Chairman of the moon sighting committee, Mufti Muneeb-ur-Rahman, argues that the government and families have no right to pardon a spy, saying that the U.S. media had itself called him a CIA agent and was on a secret mission.

Jamaat-e-Islami was quick to stage small demonstrations to condemn the release. The group announced more protest demonstrations in the coming days.

The Tehrik-e-Insaf chief, Imran Khan, condemned the release of the CIA contractor and said the decision would increase militancy. He announced to declare Friday as protest day.

Former Foreign Minister Shah Mehmood Qureshi called upon the government to tell the nation about the "sudden and unexpected" compensation deal.

Opposition leader Chaudhry Nisar Ali Khan said the world will think every Pakistani is for sale. He argued that Davis' release has hit the sovereignty of Pakistan. He asked the government to take the nation into confidence.