We are now closing the live blog for today, but we'll be back again tomorrow morning to follow all the latest developments. Until then, you can keep up with all our other Ukraine coverage here.
RFE/RL's Christopher Miller has been taking an in-depth look at the spate of public killings over the course of 15 months that has sent shockwaves through Ukraine and left the country's investigators stumped.
You can read the article here.