I would argue this would be one of the last bastions to keep total knowledge out of their hands, if they have it all then there is no longer an excuse for anything to go unsolved.
I guess maybe the only precedents we already have are how fbi knows about hacks but wont tell companies until they "feel like it" which is a real bad start to all this
Police have claimed, argued, and gone to court to state that they have no duty to act, or to protect. And courts have agreed.