Interestingly, since the 2001 attacks, the FBI still has not listed Osama Bin Laden as being wanted for the 9/11 attacks although he is on the Top 10 list. Others, including CBS new have claimed Osama that bin laden has been on dialysis since 2001 when he was admitted to a UAE hospital.
Since 2001, there have been several reports that Osama Bin Ladin has died, including one from the CIA.
EXCERPT: In 2008, former CIA case officer Robert Baer asserted, “Of course he’s dead.” In 2002 and 2009, Pakistani Presidents Pervez Musharraf and Asif Ali Zardari separately stated that bin Laden was dead. In 2002, FBI counterterrorism chief Dale Watson stated that bin Laden “probably” was dead… read more here
Below are links to other claims that Osama Bin Laden has been killed or died many times since 2001.
Lastly, former Pakistan Prime Minister (who was assassinated) mentions Bin Laden murder in 2007.. Watch at 6:15 in video.