In other news, water is wet. Everybody spies on everybody. Do you honestly think there are no US spies operating in Russia?
This The US and Israel are supposed to be very close and yet they spy on each other consistently. http://abcnews.go.com/Blotter/story?id=4705539&page=1 http://www.reuters.com/article/idUSTRE4B94T220081210
I'm betting the prosecutor is hitting them with multiple charges. On the chance the espionage charge doesn't work out, they'll hit 'em with money laundering. If I remember right, money laundering gets thrown in as an extra in a lot of white collar type crimes.