LAWTON — Long before endangering national security by secretly marrying an ISIS terrorist, Daniela Greene spent two years here finishing up a college degree in history.

Like a lot of students at Cameron University, Greene had married a U.S. soldier overseas. She came with him in 2003 from Germany when he was stationed at Fort Sill.

"She graduated in 2005 with a bachelor's degree in history," professor Lance Janda recalled Wednesday. "While she was here, she was just a terrific student."

Greene went on to Clemson University in South Carolina, getting a master's degree there. In 2011, she was hired by the FBI as an interpreter because she was fluent in German.