Is ISIS in control of affiliates in Libya and Syria?

ISIS in Libya Lead 02 16

Is ISIS in control of affiliates in Libya and Syria?

Newsroom

National Security Analyst Peter Bergen talks to CNN's Michael Holmes about the connection between ISIS and its affiliate groups in other countries.

02:07 - Source: CNN

ISIS Hostages 21 videos

ISIS in Libya Lead 02 16

Is ISIS in control of affiliates in Libya and Syria?

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ISIS hates this religious group the most

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Meet the man saving Yazidi slaves from ISIS

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Yazidi child forced to build bombs for ISIS

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Rescued ISIS hostages speak on captivity

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Beijing vows justice as ISIS kills hostages

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Jordan: We're willing to release our prisoner

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More than 200 Yazidi captives released by ISIS

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ISIS reportedly abducts 150 Christians in Syria

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Kayla Mueller, a 26-year-old humanitarian worker from Prescott, Arizona, was taken hostage in August 2013 in Aleppo, Syria, as she left a Doctors Without Borders hospital, her family said through a spokeswoman on Friday, Feb. 6, 2015.

Did Bowe Bergdahl's release hurt Kayla Mueller?

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Kayla Mueller, a 26-year-old humanitarian worker from Prescott, Arizona, was taken hostage in August 2013 in Aleppo, Syria, as she left a Doctors Without Borders hospital, her family said through a spokeswoman on Friday, Feb. 6, 2015.

Mueller's parents slam 'no ransom' policy

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ISIS recruiting kids to be 'cubs of the caliphate'

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New ISIS messenger vows to 'conquer Rome'

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Kashmiri demonstrators hold up a flag of the Islamic State of Iraq and the Levant (ISIL) during a demonstration against Israeli military operations in Gaza, in downtown Srinagar on July 18, 2014. The death toll in Gaza hit 265 as Israel pressed a ground offensive on the 11th day of an assault aimed at stamping out rocket fire, medics said. AFP PHOTO/Tauseef MUSTAFA (Photo credit should read TAUSEEF MUSTAFA/AFP/Getty Images)

ISIS posts video of purported mass beheading

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New ISIS video shows men in cages

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Kayla Mueller, a 26-year-old humanitarian worker from Prescott, Arizona, was taken hostage in August 2013 in Aleppo, Syria, as she left a Doctors Without Borders hospital, her family said through a spokeswoman on Friday, Feb. 6, 2015.

Hostage's boyfriend tried to rescue her

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Kayla Mueller, working for Support to Life in Turkey, spoke to the Prescott Kiwanis Club in Prescott, Arizona, on May 30, 2013, about the situation in Syria and efforts to build a second camp for Syrian refugees in Turkey.

Friend describes Kayla Mueller's call for help

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