Friends of Bin Laden (are also friends of the US): does that mean that friends of friends are your friends?

"A classified memo sent by Mrs. Clinton last December made it clear that residents of Saudi Arabia and its neighbors, all allies of the United States, are the chief financial supporters of many extremist activities. “It has been an ongoing challenge to persuade Saudi officials to treat terrorist financing emanating from Saudi Arabia as a strategic priority,” the cable said, concluding that “donors in Saudi Arabia constitute the most significant source of funding to Sunni terrorist groups worldwide.”"