the navy seals seized letters from hamsa's compound after killing osama bin laden in 2011. officials found letters that bin laden was grooming his son to replace him. bin laden's wives were present when he was killed, trace. >> trace: do we know where bin laden's son is now? >> it's not clear where hamsa is hiding today. al-quaida linked fighters have found a safe haven in syria. intelligence officials say afghanistan and pakistan are also likely hiding spots for the emerging al-quaida leader. there's a $1 million bounty on his head for information leading to his capture. but it's still a far cry from the $25 million bounty on the heads of isis leaders and the current lead-of al-quaida. both of the leaders remain at large. today saudi arabia announced