A State Department spokesperson tells WCCO Muhammed Abdullah Hassan, known as Mujahid Miski online, turned himself in Somalia. The Roosevelt High School graduate returned to his native Somalia after high school in 2008, pledging allegiance to terrorist group Al-Shabab.

David Ibsen is with a non-profit that works to stop terrorism, the Counter Extremism Project. “He also advocated on behalf of ISIS as well as the Islamic state,” Ibsen said.