Marc Fogel is finally back in the U.S. after three and a half years in a Russian prison. After that much time away in what was almost isolation, there is an acclimation process. Fogel met with President Trump at the White House after he landed in D.

A Russian citizen was released as part of an exchange involving American teacher Marc Fogel and will return to Russia soon, the Kremlin said.

One advocacy group says more than 30 American hostages and wrongful detainees are being held in other countries.