Obama: Notion that West at war with Islam an "ugly lie"
The president wrapped up a three-day summit on countering violent extremism by talking about the need to counter terrorists' ideology
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The president wrapped up a three-day summit on countering violent extremism by talking about the need to counter terrorists' ideology
The group's growing influence across the globe is raising questions about the administration's strategy to fight the group
A rundown of the "strange bedfellows" created by the will to defeat the militant group in northern Iraq
Former deputy director of the CIA Michael Morell and CBS News correspondent Holly Williams discuss America's handling of ISIS
"We have bodies. Come and examine them," Iraq's ambassador to United Nations says. "It is clear they are missing certain parts"
CBS News obtains photo of Abu Bakr al-Baghdadi while he served time at U.S. military prison in Iraq in 2004
President el-Sissi says "there is no choice" but for a military coalition to prevent takeover of Libya by Islamic extremists
The Vactican said Pope Francis spoke with the head of the Coptic Orthodox Church to express his solidarity
Retaliates after release of video purporting to show beheadings of numerous Egyptian Coptic Christians in Libya
Omar Alkhani, whom Mueller's family vouched for, said he saw her face for a few seconds when he confronted ISIS about freeing her
Libyan group claiming loyalty to ISIS had been holding 21 Coptic Christians hostage for weeks; state of mourning declared in Egypt
Chief of Staff Denis McDonough says lawmakers should not take a pass on taking a stand on ISIS like they did with Syria in 2013
British police say man was suspected of collecting information that may be useful to terrorists
Tribal leader from Anbar province, currently dominated by ISIS militants, says his people are ready to fight the extremists, if they only had American support
About 300 U.S. Marines stationed at Ain al-Asad airbase, west of Baghdad, and it's unclear how suicide attackers gained access
Message sent from terrorists included photographs of slain American hostage's body, U.S. officials tell CBS News
White House reveals failed operation to free Mueller and other hostages during July operation in Syria
A growing number of people, including at least 3,400 from Western countries, are joining ISIS and other terror groups, U.S. officials say
CBS Evening News anchor says the letter Mueller wrote while in custody of ISIS embodies the same spirit of those written by some of our most remarkable humanitarians
As Kurdish fighters renew their call for U.S. weapons, villagers in northern Iraq claim ISIS killed and covered up dozens of Yazidi men
Relatives and those who knew Kayla Mueller best spoke about her Tuesday afternoon, hours after the American hostage's death was confirmed
Kayla Jean Mueller's family received an email and photo from her captors, which was verified by U.S. intelligence
The Islamic extremists have publicized the deaths of several hostages
Carl Mueller was overwhelmed by "devastation and hopelessness" while his daughter was help captive by ISIS, former Arizona secretary of state says
With affiliates forming in Egypt, Algeria and Afghanistan, officials are becoming increasingly worried by the terror group's long-reaching arm