National security agency intercepted the messages that came from the German Government. The documents that were published by Edward Snowden were marked with a special code SI. This code indicates that the information in these documents is based on wiretapping materials. Part of the documents belongs to the Government of Germany. This brings us to the conclusion.

The German Federal Government may spy on by NSA. The sources in the defense circles in the U.S. have confirmed the information about surveillance the government by the representatives of the U.S. intelligence services to German edition. 

Deutsche Telecom Company staff cooperates with American secret services for more than 10 years. According to Focus the representatives of the company provided information to FBI from 2000. There occurred a document in edition of Focus magazine that points the German company representatives cooperate with FBI very close from 2000.

This cooperation began when German company had bought American company Voice Stream Wireless (now known as T-Mobile). After purchasing American company Germans had to sign a special agreement with American secret services that requires the disclosure of information.