THis was murder.
Homicide - death at the hands of another human. Murder, I agree with your sentiment 100%, but it won't fall there I don't think. Of course we know the only accountability may be political, however otherwise the possible array could be from negligent homicide on up.....
What about mass negligent involuntary manslaughter? If enough of us, or enough people pursued this, could it happen? Wanna find out? Count me in