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			 The officials, who are knowledgeable about the details of the 
			case, said the U.S. government believes the relationship between the 
			German defense official and his State Department contact was a 
			friendship. 
			 
			If that is borne out by the on-going German investigation, it could 
			help cool a crisis in U.S.-German security cooperation that has seen 
			two Germans probed for spying for Washington and Germany's expulsion 
			of the top U.S. intelligence official in Berlin. 
			 
			At the least, the investigation involving the German defense 
			official appears murkier than the other, separate incident, which 
			came earlier. In that case, an employee of Germany's foreign 
			intelligence agency, known as the BND, was arrested on suspicion of 
			spying for the CIA and possibly Russia. 
			  
			  
			 
			The two cases, which followed revelations last year of U.S. 
			electronic eavesdropping on German Chancellor Angela Merkel, have 
			chilled security ties between the two countries. 
			 
			On Thursday, the German government said it was taking the nearly 
			unprecedented step of asking the CIA station chief, who coordinates 
			U.S. intelligence cooperation with German counterparts, to leave the 
			country. 
			 
			In the case of the German defense official, although his workspace 
			and residence were raided by police several days ago, he had not 
			been arrested as of Friday, a German government source said. 
			 
			Reuters is withholding the individual's name from publication. 
			 
			The administration of President Barack Obama hopes the German 
			investigation will prove unproductive and will be closed without any 
			arrest, two officials said. However, Germany's probe is continuing. 
			 
			
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			The State Department declined comment. Caitlin Hayden, a spokeswoman 
			for the National Security Council, said: "We're not going to comment 
			on the details of a German law enforcement matter." 
			 
			U.S. agencies have also refused public comment on the BND employee's 
			case. However, U.S. government officials privately acknowledged that 
			the BND employee had been in contact with the CIA and that the 
			agency believed it had obtained valuable information from him. 
			 
			Some security and intelligence officials have raised questions about 
			whether the CIA should have continued to work with the BND informant 
			after the eavesdropping revelations last year, based on documents 
			leaked by former U.S. National Security Agency contractor Edward 
			Snowden, sparked tensions in U.S.-German relations. 
			 
			Germans were particularly angered by the disclosure, based on 
			documents provided by Snowden, that Merkel's cellphone was on an NSA 
			list of eavesdropping targets. 
			 
			(Editing by Warren Strobel and Leslie Adler) 
			[© 2014 Thomson Reuters. All rights 
				reserved.] Copyright 2014 Reuters. All rights reserved. This material may not be published, 
			broadcast, rewritten or redistributed. 
			
			
			  
			
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