The Boston bombing suspect who is the subject of a massive manhunt reached out to a Massachusetts professor two years ago for help on research "rediscovering his Chechen origins," the professor told FoxNews.com Friday. 

Professor Brian Glyn Williams, who teaches the only course in the U.S. on the Chechen wars, said Dzhokhar Tsarnaev emailed him in the spring of 2011, asking questions on Chechen history for a research project he was doing at the Cambridge Rindge and Latin School. 

Williams said that based on conversations with a friend who taught Tsarnaev -- and who recommended he reach out to Williams -- he learned that Tsarnaev was "studying his past."...