Der Spiegel- The NSA has been systematically eavesdropping on the Mexican government for years. It hacked into the president's public email account and gained deep insight into policymaking and the political system. The news is likely to hurt ties between the US and Mexico.
Online advertisements have become so dangerous that even the U.S. Intelligence Community blocks them.
From documents obtained by the ACLU, it turns out that the NSA illegally collected call records after it promised to stop collecting them.
In an exclusive interview with chief intelligence correspondent Catherine Herridge, the new head of NSA cybersecurity discusses evolving threats.
