GPS en Federal Judge in Kentucky Says Prosecutors Can't Use Evidence Gained through GPS <p>A federal judge has ruled that investigators illegally placed a GPS tracking device on a Kentucky man&#39;s car. As a result, prosecutors won&#39;t be allowed to use 150 pounds of marijuana as evidence against the man. Wed, 23 May 2012 16:46:39 +0000 Dan Modlin & Associated Press 12880 at