I can never guarantee the handler won't call a false alert with the K-9 merely showing interest and not scratching or sitting, but if you have this on tape, I'll defend you as an expert witness at your trial. You should read my short narrative titled "Anatomy Of An Alert" and watch the good and bad alerts here: HYPERLINK "http://nevergetbusted.com/v2/k9test3.php" http://nevergetbusted.com/v2/k9test3.php