What happened to Bin Laden's son at the compound?

One of Osama bin Laden’s sons went missing in the midst of the Navy SEAL raid that took the life of the al Qaeda leader more than a week ago, Pakistani security officials told ABC News today…

U.S. officials said that one of bin Laden’s sons, Khalid, was killed in the raid. It is not known if another son, Hamza, was in the compound at the time of the raid, though his mother is reportedly one of the wives in custody. The U.S. has denied the SEALs took anyone from the compound other than bin Laden’s body.