Ohio Man Charged With Providing Material Support to Terrorists

He's the first known American alleged to have trained with ISIS and return home.

Abdirahman Sheik Mohamud, 23, of Columbus, left the United States in April 2014 for the purpose of training and fighting with terrorists in Syria, according to the Justice Department. He had become a naturalized citizen only two months earlier.

Mohamud returned to the United States in June 2014 with a plan to attack a military facility or a U.S. prison, according to the charging documents.

When Mohamud left for Syria, his brother was already there fighting with terrorists, but his brother has since been killed, according to the Justice Department.