RFE/RL: Another Russian researcher detained on high-treason charges By Radio Free Europe/Radio Liberty. Published Aug. 12, 2021 at 4:59 pm A picture taken on Aug. 30, 2019 shows an outside view of the Russian Lefortovo prison in Moscow. Photo by AFP Russian authorities have detained a professor of the St. Petersburg Polytechnic University on high-treason charges. Read more here.