They're won't be charged with the deaths of any terrorists. Just to pick numbers out of the air, five dead terrorists and ten dead civilians will bring ten charges for prosecution, not fifteen, regardless of the overall body count.
The msm says that this action was initiated by an ied, with no hint that terrorists actually set it off, let alone planted it. They make no mention that any of the "civilins" were in fact terrorists using the civilians as willing or unwilling shields.