technical support of foreign special services". However, Bellingcat had arranged for its representatives to be present during the call, and they were; there are direct witnesses, in addition to the published audio and visual records of the call. Russian state investigation On 27 August 2020, Russian police and the Ministry of the Interior said they had launched a routine preliminary investigation into the poisoning, inspecting the hotel room and security footage. Russian police said that over 100 pieces of potential evidence had been collected. Prosecutors asserted that there was no need for any further investigation after the preliminary investigation, claiming it had found no sign that a crime had been committed. Return and imprisonment On 17 January 2021, Navalny left Germany by plane to return to Russia. Prior to his return, the Federal Penitentiary Service (FSIN) said that Navalny may face jail time upon his arrival in Moscow for violating the terms of his probation, saying it would be "obliged" to detain him once he returned; in 2014, Navalny had received a suspended sentence in the Yves Rocher case, which he had called politically motivated, and in 2017, the European Court of Human Rights had ruled that Navalny was unfairly convicted. The Investigative Committee of Russia also said that it was investigating Navalny for alleged fraud. The plane was originally scheduled to arrive at Vnukovo Airport. Navalny had called on his supporters to meet him at the airport. Before the flight landed, four of his close aides, including his brother Oleg and Lyubov Sobol, were detained at the airport by police. Riot police also arrived, attempting to move some of the journalists and his supporters waiting by the arrivals area. A number of supporters of Navalny and journalists were detained at the airport by police; earlier, the prosecutor's office had warned against participation in what it stated was an unsanctioned event. In total, over 50 people were detained at Vnukovo Airport. The plane was then diverted to Sheremetyevo International Airport for "technical reasons". At the airport, Navalny told reporters that it was his best day in five months and that he was not afraid. He was detained at passport control, with his lawyer, Olga Mikhaylova, who was not allowed to join him. Shortly, the FSIN confirmed his detention and said that he would remain in custody until the court hearing. This was also the last time Navalny spoke personally to