It's worth taking into account that Sheriff Israel has refused to release a copy of his department's active shooter policy. I'm not saying that he has something to hide but his reluctance is certainly not doing him any favours.
He certainly seems quick to shift the blame onto anyone else :s ultimately it sounds like his department was lacking in effective organisation for this kind of scenario on top of any lack of willingness on the part of individual officers etc.
As more information comes out it sounds increasingly like officers tied to that department were standing around as much as anything due to not having a clear approach procedurally or communication wise.