A burnt-out police pick-up truck stands in the street after Afghan security forces retook control of Kunduz city from the Taliban militants in northeastern Kunduz province, on October 1, 2015.  Afghan forces retook control of the strategic northern city of Kunduz on October 1 after a three-day Taliban occupation that dealt a stinging blow to the country's NATO-trained military.    AFP PHOTO        (Photo credit should read STR/AFP/Getty Images)
The state of the Taliban in Afghanistan
CNN's Nick Paton Walsh on the current state of the Taliban in Afghanistan after a protracted war and new competition from ISIS.
01:31 - Source: CNN
The Taliban 15 videos
A burnt-out police pick-up truck stands in the street after Afghan security forces retook control of Kunduz city from the Taliban militants in northeastern Kunduz province, on October 1, 2015.  Afghan forces retook control of the strategic northern city of Kunduz on October 1 after a three-day Taliban occupation that dealt a stinging blow to the country's NATO-trained military.    AFP PHOTO        (Photo credit should read STR/AFP/Getty Images)
The state of the Taliban in Afghanistan
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Alleged Taliban fighters and other militants stand handcuffed while being presented to the media at a police headquarters in Jalalabad on March 6, 2018. 
Afghan police said over 17 alleged Taliban militants including two Pakistani nationals were arrested during a five-week operation in Nangarhar province. / AFP PHOTO / NOORULLAH SHIRZADA        (Photo credit should read NOORULLAH SHIRZADA/AFP/Getty Images)
The Taliban: How it began, and what it wants
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Screengrab from video published on Youtube by Taliban media on Dec 19, 2016, showing  American hostage Caitlan Coleman and her husband Canadian Joshua Boyle with their two children.
Freed Taliban hostage facing charges in Canada
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An Afghan security force member stands at the site of a car bomb attack in Kabul on May 31, 2017.
At least 40 people were killed or wounded on May 31 as a massive blast ripped through Kabul's diplomatic quarter, shattering the morning rush hour and bringing carnage to the streets of the Afghan capital. / AFP PHOTO / SHAH MARAI        (Photo credit should read SHAH MARAI/AFP/Getty Images)
What is going on in Afghanistan?
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A wounded man is assisted at the site of an explosion in downtown Kabul, Afghanistan, Saturday, Jan. 27, 2018. The Interior Ministry says a suicide car bomb attack in Kabul has left dozens wounded. (AP Photo/Massoud Hossaini)
Ambulance packed with explosives kills dozens
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Smokes rises from the Intercontinental Hotel after an attack in Kabul, Afghanistan, Sunday, Jan. 21, 2018. Gunmen stormed the hotel in the Afghan capital on Saturday evening, triggering a shootout with security forces, officials said. (AP Photo/Rahmat Gul)
Taliban claim responsibility for hotel attack
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Parents of freed Canadian hostages speak
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Who are the Taliban in 2016?
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Afghan forces battle Taliban for control of Kunduz
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Afghan men stone a woman in a hole to death in Ghalmeen, Afghanistan.
Woman stoned for adultery
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Caption:Pakistani education activist Malala Yousafzai gives a press conference on July 14, 2014 after meeting with the Nigerian president in Abuja. Malala on July 14 urged Nigerian President Goodluck Jonathan to meet with parents of the schoolgirls kidnapped three months ago by Boko Haram. Malala, who survived a Taliban assassination attempt in 2012 and has become a champion for access to schooling, was in Abuja on her 17th birthday to mark the somber anniversary of Boko Haram's April 14 abduction of 276 girls from a secondary school in the northeast Nigerian city of Chibok. AFP PHOTO / WOLE EMMANUEL (Photo credit should read WOLE EMMANUEL/AFP/Getty Images)
Pakistan sentences 10 for Malala attack
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Afghanistan's TOLO TV defies the Taliban
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