"Tatiana Moskalkova flies to Kiev today to take part in the court hearing on the Vyshinsky case tomorrow," a spokesperson quoted RIA Novosti.
It is reported that Moskalkova also intends to check the conditions of detention.
Vyshinsky in Kiev detention center.
Earlier, Moskalkova appealed to the Ukrainian Ombudsman Lyudmila Denisova with a request to ensure proper conditions of detention in the VYSHINSKY SIZO.
A meeting of the Supreme Court of Ukraine to consider the appeal of Vyshinsky’s defense of his arrest will be held on March 20.