I think every one agrees that a cop killing an innocent during a swatting incident is bad, but like I said I am not sure if there is a better solution.

You will either get cops going in without fully assessing the situation or taking too long assessing the situation. Both of these ways will result in deaths. Cops can maybe assess the situation more then they currently do, but not fully as a middle ground but since cops are not perfect they will make mistakes.

The problem is it will never be perfect, but it seems like you are suggesting there is a way to make it perfect. That is holding cops to an impossible solution.