Sources: Osama bin Laden’s son dead

The son of Sept. 11 mastermind Osama bin Laden is now believed to be dead.
Hamza bin Laden had been called an "emerging" leader in al-Qaeda.
The State Department offered a $1 million reward for information leading to his capture.
Multiple news organizations are citing American officials, saying that the younger bin Laden was killed in some type of operation within the last two years.
Details of that operation were not revealed.