Ringo Chiu / AP fileISIS TerrorThe FBI is investigating asylum-seekers who entered the U.S. after help from a smuggler with ties to ISIS
Delil Souleiman / AFP via Getty Images fileISIS TerrorISIS says its leader was killed by militants in Syria and names successor
Visual Press Agency / ZUMAPRESS.comISIS TerrorNotorious British ISIS suspect found dead in Spanish prison
Ahmad Al-Rubaye / AFP via Getty Images fileISIS TerrorMichigan man gets 14 years in prison for fighting for Islamic State
Friedemann Kohler / picture alliance via Getty Images fileEXCLUSIVEArmed Russian jets have flown over a U.S. base in Syria nearly every day in March, U.S. commander says
Patrick Semansky / APISIS TerrorSupreme Court skeptical that Twitter bears responsibility for terrorist attack
Laura Lean / AFP - Getty ImagesISIS TerrorBritish-born woman who joined ISIS at 15 cannot regain her U.K. citizenship, court rules
Genaro Molina / Pool via APCal State via FacebookISIS TerrorSupreme Court wrestles with social media immunity in ISIS videos dispute
Bill Clark / CQ-Roll Call Inc. via Getty Images fileISIS TerrorU.S. military raid in northern Somalia kills a senior ISIS leader and 10 ISIS fighters
Delil Souleiman / AFP via Getty Images fileISIS TerrorSyrian rebels say anti-ISIS operations with U.S. have stopped, ISIS fighters may escape from prisons
Hussein Malla / AP fileISIS TerrorISIS 'Beatle' El Shafee Elsheikh sentenced to life for torturing and murdering American hostages
Michel Euler / AP fileISIS Terror‘Jim would've wanted it’: Mom of U.S. journalist ISIS beheaded visits one of his imprisoned captors
Spc. William Gore / U.S. Army fileISIS TerrorISIS bomb maker captured in Syria raid, U.S military says
Izzeddin Kasim / Anadolu Agency via Getty ImagesISIS TerrorU.S. kills ISIS leader, but another is already waiting in the wings
AFP - Getty ImagesISIS TerrorBomb making equipment and Isis flag found during police raids in Denmark and Germany
Hussein Malla / APEXCLUSIVEISIS terrorists known as the 'Beatles' likely to be brought to U.S. in coming days
Reuters fileEXCLUSIVETwo of the ISIS terrorists dubbed the Beatles admit involvement in captivity of Kayla Mueller, James Foley
Zein al Rifai / AFP - Getty ImagesMideastTop special ops Marine who fought with Kurds blasts Trump move in Syria as betrayal
Reuters fileNational SecurityIntel officials say ISIS could regroup after U.S. 'betrayal' of Kurds in Syria
Geoffroy Van Der Hasselt / AFP - Getty Images fileEXCLUSIVEChaos in Syria, Washington after Trump call with Erdogan unleashed Turkish military
Delil Souleiman / AFP - Getty ImagesWorldU.S. exit from Syria could bolster ISIS threat, strengthen Iran, bipartisan report says
NBC San DiegoU.S. newsNavy SEAL accused of murdering teen ISIS fighter, using severed head during ceremony
North Berkshire District Court via AP fileU.S. newsPolice captain's son gets 20 years for ISIS terror plot in Boston
Jim Watson / AFP - Getty ImagesBREAKING NEWSTrump admin may send captured ISIS fighters to Iraq prison, Guantanamo
