If law enforcement is the key to reducing crimes committed with guns

[Nuclear Unicorn]

What would make more sense practically/logistically/Constitutionally/ethically --

A) focusing efforts on the scant minority of individuals intent on perpetrating predatory acts

or

B) a broad-sweeping effort that impacts tens -- if not hundreds -- of millions of people who have no intention except to peaceably live out their lives

[jonno99]

1. 'A' is obviously the right appoach. And of course this would helpful:

https://en.wikipedia.org/wiki/Minority_Report_%28film%29

(as long as we always get it right )

[Nuclear Unicorn]

2. "as long as we always get it right"

Option B would ensure the innocent are swept-up as the vast majority.