Spiraling Spying Suspected Double Agent Further Strains German-US Ties

A year after revelations of the NSA's wide scale spying activities first emerged, the arrest of an employee at the German foreign intelligence service, suspected of being a double agent, is testing the limits of Berlin's patience with Washington.
Von SPIEGEL Staff
An employee of Germany's foreign intelligence service admitted passing documents to a US contact.

An employee of Germany's foreign intelligence service admitted passing documents to a US contact.

Foto: Stephan Jansen/ picture alliance / dpa