I'd like to update one of the opening lines of a standard joke here in the US:

Person 1: "Knock knock?"
Person from Texas: *Blam! "Who's there?" **

* Substitute best imitation sound effect of a handgun being fired.

** I guess the peep-hole wasn't a practical option?

Off-Duty Texas Trooper Shoots Own Neighbor Through Door

https://www.thedailybeast.com/off-duty-texas-trooper-shoots-own-neighbor-through-door

#Police