Transcript for High-Profile American Jihadist Reportedly Killed
sandell. Now we head overseas. Last night we showed you the faces of americans who signed up to help al qaeda including this man. The u.S. Government calls him one of the most wanted terrorists in the world. Tonight we have word he may be dead. Abc's chief investigative correspondent brian ross has a surprising turn in this story. Reporter: He came from alabama with jihad on his mind. Waiting for the enemy to come. Reporter: A state department said today it was working to confirm reports of the death of omar hammami. Try to blow up and get as close as we can and kill as many as we can. Reporter: A 29-year-old american citizen had a $5 million u.S. Reward on his head. One of the things that we seek for in this life is to die as a martyr. Reporter: Considered dangerous by the fbi because he led and recruited other americans to the al qaeda group in somalia and urged attacks on targets everywhere. He's alleged to have made significant contributions to the terrorist organization and military activities. Reporter: He through up in the small alabama town of gaffeny, the son of a school teacher and syrian father, what he called the privileged life of an american child. Pageants, sports teams, prom dates. But by the age of 22, hammami had come to hate his country and moved to somalia where he joined a group called al shabab. This flame yoi bant video glamorized terror and put him at odds with other leaders who vowed to kill him. In the end he was marked for death by his fellow terrorists. Brian ross, abc news.
This transcript has been automatically generated and may not be 100% accurate.