Mohamud's brother, Abdifatah Aden, also from Ohio, was killed in battle in Syria in June 2014, according to the government. He had fought with Jabhat al-Nusrah, a State Department-designated terrorist group, according to his brother's indictment.
The indictment, handed down by a federal grand jury in Columbus references several "private conversations" between Mohamud and his brother, Abdifatah Aden, that discuss Mohamud's plans to join a terrorist group. His brother had already joined al-Qaeda linked Jabhat al-Nusra, the indictment says.