Current and former U.S. officials said that U.S. decision to expel 60 alleged spies is unlikely to cripple Russian spying in the U.S because others have wormed and hacked their way into American companies, schools, and even the government.

U.S. -

U.S.—The U.S. decision to expel 60 alleged spies is unlikely to cripple Russian spying in the United States because others have wormed and hacked their way into American companies, schools, and even the government, current and former U.S. officials said.

White House Warns of Danger to Russian Double Agents in U.S. -- The U.S. warned former Russian double agents who were swapped for Russian spies could face danger in the wake of the poisoning of an ex-agent in Britain. “We have massive concerns about any Russian critic or other who is now here.”. Skripal is one of four Russians convicted of betraying Moscow for the West who were exchanged for 10 Russian agents in 2010.