[MainFrame65]

A chip reader at the door of every criminal enterprise would identify every cop, every time he walked in. This is beyond ignorant, and equally far beyond stupid. It is willful wrongdoing, and would be criminal if not for the special immunity given to gun-grabbers.

[Pikachu_Dad]

Now that's a good point. What is the range of the tagging device on the cops? Put reading devices all over the city and you can map the location of each cop.

"Hmmm, Fred is in the doughnut store again. Time to go rob the bank..."

No, we are not outthinking the problem. You can be assured that the bad guys will try every option from the brute force simple options to the high tech devious ones.