3 ms·

There was a false positive in there. There was a "probable criminal activity" that turned out to be a real estate agent.

• msellout 13y ago
  Are we not willing to accept a certain number of false positives if the net effect is good?
• neil_s 13y ago
  The system only provides leads for further inspection, not evidence. When a metal detector has a positive, false or not, you inspect the bag, you don't arrest the person.