But more and more Sunnis are beginning to realize that ISIS is n't their friend . American hostage Michael is beheaded by ISIS forces in new footage released online . Michael : Michael 's beheading reveals a terror group that is desperate and on the run . Gerges : American - led airstrikes are working and ISIS ' leaders are being driven underground . Gerges : Sunni tribes that were loyal to ISIS are now peeling off amid the group 's ongoing brutality .
American hostage Michael is beheaded by ISIS forces in new footage released online . Michael : Michael 's beheading reveals a terror group that is desperate and on the run . Gerges : American - led airstrikes are working and ISIS ' leaders are being driven underground . Gerges : Sunni tribes that were loyal to ISIS are now peeling off amid the group 's ongoing brutality .