Der Spiegel : NSA `` systematically '' eavesdropped on Mexican government . It hacked into public e-mail of former president , according to the German news magazine . Mexico calls for a speedy investigation into the allegations . CNN 's Elise Labott , Evan Perez , Shasta Darlington and Catherine E. Shoichet contributed to this report . Comment:
Der Spiegel : NSA `` systematically '' eavesdropped on Mexican government . It hacked into public e-mail of former president , according to the German news magazine . Mexico calls for a speedy investigation into the allegations . Comment: