Obama planned to announce Wednesday that only 100 of the 2,800 troops would remain after April 30.
The verdict and sentencing brought a close to a trial that has been running since July 2013.
The fate of its two crewmembers is unknown.
Arguing the militants could pose a threat to the U.S. homeland.
U.S. intelligence officials say in an updated estimate of a top terrorism concern.
Mueller was taken hostage in August 2013 while leaving a hospital in Syria.
Following confirmation of her death, her family released a letter Mueller wrote from captivity.
Was killed in an American drone strike on Monday.
The White House also issued a statement confirming her death.
“We owe the families a full accounting.”
The indictment says the suspects used “coded language” in their communications over email and social media.
This week’s biggest news and headlines
Mueller is the only known remaining U.S. hostage held by the Islamic State group.
All six people who are charged are natives of Bosnia who were living in the U.S. legally.
It published photos allegedly of the bombed site, showing a damaged three-story building.
It was unclear why the second engine was shut down.
He’ll be the first Pontiff to do so.
From the start of the flight in Taiwan’s capital, survivor Huang Jin-sun suspected trouble.