The content originally appeared on: CNN Islamabad (CNN)A senior founding leader of the Pakistani Taliban was killed Sunday night in a targeted attack, according to two sources within the group's leadership. The Pakistan Taliban, known as Tehreek-e-Taliban (TTP), is a US-designated foreign terrorist organization operating in both Afghanistan and Pakistan. TTP sources told CNN that senior commander Abdul Wali - also known as Omar Khalid Khorasani - was killed along with two other TTP leaders in a targeted IED attack. […]