I've also wondered about the ones that do not claim to do it through the spirit world, and use it for good. Most of these seem to get "impressions". For example, if they look at a map they may get a strong feeling that a victim was attacked at such and such part of a named park.
Those are the ones that make me wonder. We all have "instincts", some stronger than others that warn us of danger, or an oncoming crisis. I can't help but think that others may simply have stronger feelings that are the same thing, only...stronger.
For example, before my grandfather passed away, I dreamed about it. When my grandmother passed away, I dreamed about it, although before I did I "knew". Those types of things happen a lot.
"Someone's about to knock on the door, and you shouldn't open it".
"Take your kids and get in the car, there's someone dangerous nearby"
"Slow down, that red car coming toward you is going to swerve into your lane"
I've learned to trust these instincts more and more. It's not a far leap for me to think that there are people who have stronger ones. Since I know I'm not puposely doing it, in fact it's scared me before and I've prayed for it not to happen since it's not "normal", I have a hard time saying and believing that all of it stems from bad sources. Perhaps some of it does stem from good sources. If demons (bad angels) can influence people, why not angels?
Chrys