I prefer the passive shooters, myself...

We received the updated campus emergency procedures booklets at work today--a rather fancy, tiered, spiral-bound presentation of what to do in case something horrible happens. My favorite category: the active shooter.

"An active shooter is a person or persons who appear to be actively engaged in killing or attempting to kill people in populated areas on campus."

Notice nowhere does it mention a gun. So one could be actively attempting to kill someone with a machete and still be termed an "active shooter."

Oh, U of M. You're so silly.