5. Adam Yahiye Gadahn
Born in 1978, Adam Gadahn is a son to the American musician Phil Pearlman and is among the few Americans linked with terrorist activities with Al-Qaeda. His position in al Qaeda is interpreter, media advisor and spokesman. He is thought to have converted to Islam at tender age of 17 and is therefore considered to be homegrown. This made him grow strong in the Islamic ideologies meaning that he is ready to hurt even his own people. He is frequently seen very close to Osama bin laden in various videos. He is sought after for treason of an American enemy and is one of the most wanted criminals by the FBI.