Osama bin laden's al-qaeda which led to the 9/11 attacks. going back about five, six years ago the islamic state then known as isis started to break away from al-qaeda. this was principly iraq and syria, but they quickly created also a network of terrorist groups known as isis, this one corresponds with the afghanistan, pakistan region which would have been a splinter and challenger to al-qaeda. by extension that makes them a challenger to the taliban. to think about isis-k, they're younger generally. they're more about violence first and ideas second. and they're trying to create their own se...