The group is one of a coalition of rebel fighters.
Peter Theo Curtis was reunited with his family in Boston.
He was identified by his neck tattoo.
Kidnapped while providing aid in Syria.
And refuses to coordinate with Assad on the potential strikes.
The extremist group has seized one from the Syrian government.
Peter Theo Curtis was held by Al Qaeda's affiliate in Syria.
But Congress may not be onboard.
ISIS reportedly wanted a $100 million ransom, but the U.S. refused to pay.
He was talking to a senator, not Hillary.
The details are still murky.
The group appears to be "in good health."
Though Assad says sharing power is "totally unrealistic."
Officials say they're recruiting.