If that Canadian agency had been complicit in snooping on anyone -- be they Canadians or foreign nationals -- without a warrant , it could violate that North American nation 's laws , the CBC reports . 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 . The documents were released by whistleblower Edward Snowden.