Its a hot topic between many analysts of Pakistan, US and other nations in war that whether or not Haqqani Network (which is claimed to be responsible for holding attacks against US and NATO forces in Afghanistan) is being supported by Pakistan's ISI or not. However, we need to go very optimistic here by only considering that they are supported by Pakistan. To analyze we just need to go back in the history at the time of Jihad against Soviet Union. Leader of the Haqqani Network, Jalaluddin Haqqani was cultivated as a unilateral asset by CIA at that time to war against Soviet Union. He is being funded with millions of dollars to fight against the soviets by USA. He was considered as the most closest partner to USA among the sub-groups of Mujahideen in Afghanistan. However, after 9/11 the table has turned the table around and now Haqqani network is considered as the most dangerous to US Armed Forces in Afghanistan and currently it is being said that Pakistan is using