CBC says it obtained a top secret NSA document from Edward Snowden . It says the U.S. conducted surveillance during the G8 , G20 summits in Toronto . This was `` closely coordinated with the Canadian partner , '' the NSA says , reports CBC . The documents were released by whistleblower Edward Snowden.
CBC says it obtained a top secret NSA document from Edward Snowden . It says the U.S. conducted surveillance during the G8 , G20 summits in Toronto . This was `` closely coordinated with the Canadian partner , '' the NSA says , reports CBC . U.S. agencies have n't responded to comment on this report .