Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
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(CNN) – The terrorist group ISIS, which currently controls huge chunks of Iraq and Syria, isnow issuing a new, sick threat in an audio tape, calling for lone wolf attacks against Americans, British, the French - anyone in the U.S.-led coalition.
An ISIS spokesman even offered instructions on how to kill random civilians, saying "smash his head with a rock, or slaughter him with a knife, or run him over with your car."
The Obama administration acknowledged that some Americans fighting with terror groups have returned to the United States.
For the past six weeks the U.S. has been launching airstrikes on ISIS targets in Iraq, now the world is waiting to see if the U.S. military opens up a new front and takes the fight into Syria.
The military says it's ready to go, and is waiting on the President's call.
CNN Pentagon correspondent Barbara Starr reports.