They were raised in a two-story brick house on a quiet Plano residential street, across from a church and a park. They went to good schools and enjoyed video games and music like their friends.
But Arman, 27, and Omar Ali, 26, would not follow the path of most Plano kids leaving home to start a life.
After some college study, the brothers moved to Egypt and then traveled to Syria to fight alongside ISIS terrorists, according to federal court records.
Read more from NBC 5's media partners at The Dallas Morning News.