U.S. authorities have arrested Nomma Zarubina, a Russian national accused of secretly working with Russia's Federal Security Service (FSB). Known by the code name "Alisa," Zarubina allegedly concealed her ties to the FSB while living in the United States. The FBI claims that Zarubina had been participating in anti-Putin events on behalf of the Russian government, gathering information and passing it to her FSB handlers.

Zarubina, who was born in Siberia in 1990, moved to the U.S. in 2016...