The police are not coming to save you. They are going to secure the scene and stand around waiting for the hostage negotiator to show up. Meanwhile your kids die.
Do we know who made the call that this was a hostage situation? Someone at the police command post made that call. The cops were standing down because their orders were to do so. Who made that call? Where is he?
And that is why records have been set in firearm purchases over last few years