In exchange, Russia released four Russians serving prison sentences on charges of spying for the West.

VOA: special.2010.07.10

Chris Simmons is a former U.S.counter-intelligence official involved with several recent Cuban spying cases in the United States.

VOA: standard.2009.06.06

Russia released four Russian citizens already serving prison sentences on charges of spying for the West.

VOA: standard.2010.07.09

The late president had accused Walesa of spying for the Communist-secret service.

VOA: standard.2010.04.10

The 32-year-old Saberi, who has worked for National Public Radio and the BBC,was jailed in January,allegedly because her press credentials had expired, before being convicted last month of "spying for the United States" in what many are calling a sham-trial.

VOA: standard.2009.05.06

But her reaction Monday to word they are being charged with spying was relatively low-key, with the Secretary telling reporters the charges are without merit and that Iran should free the Americans - two men and a woman - on humanitarian grounds.

VOA: standard.2009.11.09