<prompt> Qedela umusho olandelayo: UKovalyov ubelokhu egxeka ngokungagwegwesi ukuthambekela kobushiqela ekuphathweni kukaBoris Yeltsin noVladimir Putin. Ngo-1996, wasula njengenhloko yekhomishini kaMongameli yamalungelo abantu ka-Yeltsin, ngemuva kokushicilela incwadi evulekile eya ku-Yeltsin, lapho uKovalyev asola khona umongameli ngokuyeka izimiso zentando yeningi. Ngo-2002, wahlela ikhomishana yomphakathi ukuba iphenye  <response>: Ukuqhuma kwamabhomu ezindlini zaseMoscow ngo-1999 iKovalyov Commission, eyasebenza kahle ngemuva kokuthi elinye lamalungu ayo, uSergei Yushenkov, libulewe, elinye ilungu, u-Yuri Shchekochikhin, okusolwa ukuthi linobuthi nge-thallium, nomeluleki walo wezomthetho nomphenyi, uMikhail Trepashkin, baboshwa. 