Maybe they are putting these pics out knowing full well that they are not suspects and they already have the real suspects either in custody or are on their trail. This release could be a bluff. Wouldn't be the first time.
Purely out of interest - and I'm possibly showing my ignorance here - when has this tactic been used before?
Purely out of interest - and I'm possibly showing my ignorance here - when has this tactic been used before?