"[The investigation into] the case against the Ukrainian journalist, Roman Sushchenko, is over. We have already read two volumes out of 10," Feygin wrote on Facebook on November 10.
The lawyer added that the examination of the case materials would last until the end of November.
"The FSB claims Roman collected information about the Russian invasion of Ukraine," he said.
Read alsoRoman Sushchenko gets to see wife, daughterLater he tweeted that Moscow's city court did not satisfy his appeal against the extension of Sushchenko's arrest until November 30, 2017.
"The complaint has been dismissed. Sushchenko has been remanded in custody," Feygin tweeted on November 10.
As UNIAN reported earlier, the Russian Federal Security Service on September 30, 2016, detained an Ukrinform correspondent, Roman Sushchenko, in Moscow, labeling him a "Ukrainian intelligence operative" who allegedly "deliberately collected classified information on activities of the armed forces and the national guard of the Russian Federation." Sushchenko was officially charged with espionage.