A look at the Pakistani Taliban, a militant organization that has claimed responsibility for a deadly attack on a school in the northwestern city of Peshawar:
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WHO ARE THE PAKISTANI TALIBAN?
The extremist group is made up of fighters who largely have been based in North Waziristan, a northwestern tribal region bordering Afghanistan. They have been battling government troops in the northwest since Pakistan aligned itself with the U.S.-led war in Afghanistan. But the Pakistani Taliban didn't officially form until 2007 as an umbrella organization that included various militant factions, all aligned against the government. In recent months, the organization has fractured amid a Pakistani military offensive and U.S. drone strikes that have raised tension in the ranks. Known as the Tehreek-e-Taliban Pakistan, or TTP, it is headed by Mullah Fazlullah, a militant commander who claimed responsibility for trying to kill education activist Malala Yousafzai in 2012. The teenager survived the shooting and won the Nobel Peace Prize.
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WHAT ARE THEIR GOALS?
The TTP has vowed to overthrow the government and install a harsh form of Islamic law. The extremists are aligned with the Afghan Taliban — a group fighting U.S. and Afghan forces in Afghanistan — as well as al-Qaida militants who also live in the rugged northwest. They have frequently attacked Pakistani troops, government targets and civilians to help carry out their goals. Tens of thousands of people have been killed in the violence, but Tuesday's school assault was one of the deadliest in more than a decade of fighting.
