> One of several advantages military/policing/etc forces have is detailed records of what worked & what didn't in a confrontation

And this play against them, an enemy can study them too. The saying it that the Sun clan spread its military manuals far, and wide to indoctrinate everybody into using few easily predictable military strategies.

A brilliant military strategy is always like a zero day exploit.

Seeing an errand enemy spy always showing up at known route, and known times to check your garbage, or steal your post? A perfect opportunity to confront him with a few muscular guys, and a soft enough rubber hose.