This document reports on the closed-door trial of former FSB Lieutenant Colonel Mikhail Trepashkin, who was accused of disclosing state secrets and illegal possession of ammunition. From prison, Trepashkin alleged that his prosecution was a pretext by the FSB Internal Security Directorate (USB) to block his investigation into the 1999 apartment bombings, specifically noting his role as a lawyer for the victims. The USB reportedly claimed that Alexander Litvinenko and Boris Berezovsky met with MI-5 in London to plan disinformation regarding the bombings, involving Trepashkin as an operative. Central to the allegations is Trepashkin’s supposed claim that he possessed a videotape of a controlled hexogen purchase involving a person who was actually an FSB agent. The document also notes that prosecution witnesses Anatoly Zhukov and Valentin Agibalov provided testimony that undermined the state's case regarding Trepashkin's access to secret materials.