FYI; Detection Dog or Sniffer Dog : <a href="https://en.wikipedia.org/wiki/Detection_dog" rel="nofollow">https://en.wikipedia.org/wiki/Detection_dog</a><p>I did hear a Comedian relate a story of people at a Concert,<p><pre><code> spraying other people with water-pistols filled with 'Bong' water.</code></pre>