Putin has nothing to gain from this assassination as Nemtsov had a small following compared to that of Putin and too closely aligned with Yeltsin's destruction of Russia........the last thing Putin would want to do is make a martyr of an opposition leader two days before an opposition protest..and he wouldn't do so feet away from the Kremlin....... Putin is many things but not dumb. He wouldn'tt risk an escalation of the protest.
That’s right. Putin would never assassinate political opponents, because he has “nothing to gain.” Or something.