They could go to the server room and check if there's smoke pouring out of it before dialing 911.

Then you're making the opposite mistake (but still a mistake) as all officers going in with lethal force during a swatting.

• https://www.nbcnews.com/id/wbna12208992

• https://newsinfo.inquirer.net/1070007/suicidal-caller-mistak...

• https://hongkongfp.com/2026/04/15/woman-trapped-in-tai-po-bl...

• https://en.wikipedia.org/wiki/Triangle_Shirtwaist_Factory_fi...