ECHELON

NSA appear in both investigations. Also: Both investigations reference United States and Global. Both investigations involve activities during the 2000s period. Thematic overlap: surveillance, NSA, privacy. Both filed under "Government & Intelligence" category.

NSA appear in both investigations. Also: Both investigations reference United States. Both investigations involve activities during 1960s through 1970s periods. Thematic overlap: surveillance, NSA, privacy. Both filed under "Government & Intelligence" category.

NSA appear in both investigations. Also: Both investigations reference United States. Both investigations involve activities during 1960s through 1970s periods. Thematic overlap: surveillance. Both filed under "Government & Intelligence" category.

Both investigations reference United States and Canada. Also: Both investigations involve activities during 1990s through 2000s periods. Both filed under "Government & Intelligence" category.

Both investigations reference United States. Also: Both investigations involve activities during 1960s through 1970s periods. Thematic overlap: surveillance. Both filed under "Government & Intelligence" category.

Both investigations reference United States. Also: Both investigations involve activities during 1970s through 1990s periods. Thematic overlap: signals intelligence. Both filed under "Government & Intelligence" category.

Both investigations reference United States. Also: Both investigations involve activities during 1960s through 2000s periods. Both filed under "Government & Intelligence" category.

Both investigations reference United States. Also: Both investigations involve activities during 1960s through 1970s periods. Both filed under "Government & Intelligence" category.

Both investigations reference United States. Also: Both investigations involve activities during 1960s through 1990s periods. Both filed under "Government & Intelligence" category.

Both investigations reference United States. Also: Both investigations involve activities during 1970s through 1990s periods. Both filed under "Government & Intelligence" category.

Both investigations reference United States and Canada. Also: Both investigations involve activities during 1960s through 1970s periods.

Both investigations involve activities during 1960s through 1990s periods. Also: Both filed under "Government & Intelligence" category.

Both investigations reference United States and Global. Also: Both filed under "Government & Intelligence" category.

Both investigations reference Global. Also: Both investigations involve activities during 1960s through 2000s periods. Thematic overlap: global.

Both investigations reference United States. Also: Both investigations involve activities during the 1960s period. Both filed under "Government & Intelligence" category.

Both investigations reference United States. Also: Both investigations involve activities during the 1990s period. Both filed under "Government & Intelligence" category.

Both investigations reference United States. Also: Both investigations involve activities during 1970s through 1990s periods.

Both investigations reference United States. Also: Both investigations involve activities during 1990s through 2000s periods.

Both investigations reference United States. Also: Both investigations involve activities during 1960s through 2000s periods.

Both investigations reference United States. Also: Both investigations involve activities during 1960s through 1970s periods.

Both investigations reference United States. Also: Both filed under "Government & Intelligence" category.

Both investigations involve activities during 1970s through 2000s periods. Also: Thematic overlap: global.

Both investigations involve activities during 1990s through 2000s periods.

Both investigations reference Canada. Also: Both investigations involve activities during the 1960s period.

Both investigations reference United Kingdom. Also: Both investigations involve activities during the 2000s period.

Both investigations reference United States and Canada.

Both investigations reference United States. Also: Both investigations involve activities during the 1970s period.

Both investigations reference United States. Also: Both investigations involve activities during the 1990s period.

Both investigations reference United States. Also: Both investigations involve activities during the 1970s period.

Both investigations involve activities during 1960s through 1970s periods.

Both investigations involve activities during 1990s through 2000s periods.

Both investigations reference United States. Also: Both investigations involve activities during the 1960s period.

Both investigations reference United Kingdom. Also: Both investigations involve activities during the 1990s period.

Both investigations involve activities during 1990s through 2000s periods.

Both investigations reference United States. Also: Both investigations involve activities during the 1960s period.

Both investigations involve activities during 1960s through 1990s periods.

Both investigations reference United States. Also: Both investigations involve activities during the 1990s period.

Both investigations reference United States. Also: Both investigations involve activities during the 1990s period.

Both investigations involve activities during 1960s through 1970s periods.

Both investigations involve activities during the 1970s period.

Both investigations reference United States.

Both investigations involve activities during the 1990s period.

Both investigations involve activities during the 2000s period.

Both investigations reference United Kingdom.

Both investigations involve activities during the 1990s period.

Both investigations involve activities during the 1990s period.

Both investigations involve activities during the 2000s period.

Both investigations reference United Kingdom.

Both investigations involve activities during the 1990s period.

Both investigations reference United States.

Both investigations involve activities during the 2000s period.

Both investigations involve activities during the 1960s period.

Both investigations involve activities during the 2000s period.

Both investigations reference Australia.

Both investigations reference United States.

Both investigations reference United States.

Both investigations reference Global.

Both investigations reference United States.

Both investigations involve activities during the 1990s period.

Both investigations involve activities during the 1960s period.

Both investigations involve activities during the 1970s period.

Both investigations involve activities during the 1990s period.

Both investigations reference United States.

Both investigations reference United States.

Both investigations reference United States.

Both investigations involve activities during the 1960s period.

Both investigations involve activities during the 2000s period.

Both investigations involve activities during the 2000s period.

Both investigations reference Global.

Both investigations involve activities during the 2000s period.