The Ukrainian rebellion, having succeeded, now wants the outgoing honcho prosecuted for shooting protesters. This is stupid.
Using deadly force to quell rebellion and disorder is not a criminal act. No government could function if it forswore using violence to suppress violent dissent. Since no government could function without it, it must not be criminal for a government to do it.
One might as well prosecute a government for passing laws or collecting taxes.
Yanukovych was a massively corrupt Putin lapdog, surely there are any number of other things he could be prosecuted for.