Info is sketchy and I'm not too sure if the site is a reliable source, but I figured it's worth posting if it pans out.
bleacherreport.com
(visit the link for the full news article)
All the information is still real sketchy and not made public just yet.(visit the link for the full news article)
But I read a report earlier today that the International Olympic Committee and the drug firm testing the athletes during the 2008 Beijing Olympic Games has received a test result from Michael Phelps that tests positive for DDP.