#5 – Pakistani Taliban
The Pakistani Taliban group, less known as Tehrik-i-Taliban Pakistan is a terrorist group founded in December 2007 by a Pakistani militant, named Baitullah Mehsud.
For the moment the Pakistani Taliban targets elements of the Pakistan, but it is believed that major US cities are future targets. On August 23, 2009, Baitullah Mehsud died, being replaced by Hakimullah Mehsud. His death came on November 1st, 2013, in a US military drone attack, just one day after the Pakistani government had started negotiations with the Pakistani Taliban to end their acts of terrorism.