[Stu Cohen]

Maybe the cops should simply shoot everybody that enters a subway entrance. If they led a good life, they have nothing to worry about.

It would prevent bombs on subways.

[TAquinas]

You still don't get it.

You can't profile the conduct of a target's lifespan, as you would run into the realm of abstractions. However, profiling of indiviuals based on non-tangibles criteria helps in choosing the target to be searched.