Feygin said on air of 112 Ukraine, Censor.NET reports.
"I am currently in a line in Lefortovo [prison] and hope to get in, but chances are slim to non. It's Friday, short day. I am the 16th in the line.
"Yesterday, I had a call from investigator Krekov who handles our case and said we would have investigative activities on Monday at 2:30 p.m. I think they will present us with the decree on conducting expertise.
"I have already registered for Tuesday, I am the 7th. I am certain to get in for a while, for several hours. Me and Roman, we are writing a huge text of his evidence and hope to finish it by Tuesday to be able to submit it to the investigation as a claim," he said.
found Ukrinform news agency correspondent Roman Sushchenko in Lefortovo prison Oct. 2. The Lefortovo court of Moscow remanded the journalist in a two-month custody on charges of espionage (article 276 of the Criminal Code of the Russian Federation) the following day.
Ukraine's Information Policy Ministry also confirmed the detention of Sushchenko. The ministry said its legal department was collecting necessary information on the circumstances and reasons for the detention.
In turn, the FSB claims Ukrainian journalist Sushchenko is an agent of the Main Intelligence Directorate of Ukraine's MoD.
Related materials: Ukrainian hostages in Russia