Snipers on roofs were ordered and agreed in advance; they were up there for several weeks, at least one assassination was ordered and agreed in advance. Live fire zones were ordered in advance. This is murder, hence why charges have been brought...
If I say "shoot anybody that walks across this live fire zone", if I say "walk down this street in formation firing volleys of bullets down the street" then you could say I'm not signing an order to murder anybody, but it's a pretty weak defense and cases are pending; no doubt they will get lost with this junta. The point being that an army dispersing protesters is still accountable; it's not a case of anything goes...