Photo Gallery: Germany's Radicalized Muslims 05/19/2015
 Security has also been increased dramatically at the visitor center of...
Milos Djuric/ DER SPIEGEL

Security has also been increased dramatically at the visitor center of Germany's parliament as a result. In a phone call to German officials, Emrah E. said in 2010 that al-Qaida was planning to attack the Reichstag in Berlin (pictured here).