>>rossan+(OP)
There is a problem with responsibility. Do you want to never let a perp go (i.e. jail innocent people in order to catch every guilty person) versus let some baddies slip through the net while not imprisoning innocent people. My own life found itself on the nexus, where I lost loved ones with a false accusation, but wasn't charged for it from (obvious) lack of evidence. Although the legal system worked somewhat, it was too late for me and my loved ones. The liars got away with it, and mission accomplished in removing me from the family.