The Commission 's lawyer Mikhail Trepashkin was arrested .
Two key members of the Kovalev Commission , Sergei Yushenkov and Yuri Shchekochikhin , both Duma members , have since died in apparent assassinations .
The Kovalev Commission 's lawyer Mikhail Trepashkin was arrested .
Two key members of the Kovalev Commission , Sergei Yushenkov and Yuri Shchekochikhin , both Duma members , have since died in apparent assassinations .