The snipers shot both the protesters and the cops. The cops reacted by killing protesters as one might expect they would do. It was designed to be blamed on the Government.
Even the current Government of the Ukraine gave up trying to find the snipers. They interviewed tons of people and investigated for 6 months but no one had any idea who the snipers were.
That sounds a lot like a CIA false flag op or assorted mercenaries.
Well, RT was tweeting that George Soros and his Blackwater mercenaries pulled the trigger. Later, George was seen piloting an APC.