> if you see them at a school with a device like this and it's beeping, I think it's reasonable to call the police. Or...you know, ask them about it. A bomber

> if you see them at a school with a device like this and it's beeping, I think it's reasonable to call the police. Or...you know, ask them about it. A bomber wouldn't carry a Hollywood-looking bomb in a Hollywood-looking secret agent suitcase. They'd conceal it in their backpack, which is just like the other thousands of backpacks in the school. Calling the police is not an appropriate first response to this.