This is from 2 years ago, but does offer some background...
"Osama Bin Laden is said to have inherited some $300 million from his father. In his mid-20s he left Saudi Arabia for Afghanistan to fight in the so-called Jihad against the Soviet forces in Afghanistan. Several accounts have it that he was cultivated by the CIA, which helped him set up camps in and around Khost, ..."
[link|http://www.expressindia.com/ie/daily/19980822/23450624p.html|http://www.expressi...450624p.html]