The “stop and frisk” policing tactic is currently very high profile, and a double-edged sword organizationally, since crime gets driven down, community resentment gets driven up and a fine 4th amendment line gets walked and, as recent court rulings regarding the NYPD have held, are sometimes crossed,  (Posting this article is also a test of whether a public URL from this particular publication persists, so the answer is no if you  click above and nothing happens.)