I understand where you're coming from. But I believe this is just like where LE collects a list of suspects (from people the victim knew) and narrows down from

I understand where you're coming from. But I believe this is just like where LE collects a list of suspects (from people the victim knew) and narrows down from there. The net isn't as wide, nor is it used as the main evidence for conviction (atleast I would hope so).