Sergey Chikichev

A resident of Vladivostok. On 11 September 2025, a case was brought against him and three other people for participation in extremist activities due to their involvement in the Jehovah's Witnesses community, which was groundlessly recognised as an extremist organisation and banned in the Russian Federation.

On 17 September law enforcement officers came to his home with and conducted a search. After that, he was taken to the Investigative Committee for interrogation, and then Yudin was charged.