FILE - In this April 21, 2013 file photo, Maria Butina, leader of a pro-gun organization in Russia, speaks to a crowd during a rally in support of legalizing the possession of handguns in Moscow, Russia. Prosecutors say they have “resolved” a case against Butina accused of being a secret agent for the Russian government, a sign that she likely has taken a plea deal. The information was included in a court filing Monday. (AP Photo/File)
WASHINGTON — A Russian gun-rights activist admitted Thursday that she was a secret agent for the Kremlin who tried to infiltrate conservative U.S. political groups as Donald Trump rose to power.