Challenging arrests for drug possession, distribution and manufacturing requires a close analysis of witness statements, the police procedure, warrant application and techniques used for gathering evidence. Your careful recollection of what happened during your arrest can help reveal a previously unseen defense.
New applications of technology to law enforcement have created an emerging line of case law. As recently as January 2012 the Supreme Court ruled warrantless use of GPS to monitor vehicles was unconstitutional in U.S. v Jones, 132, S.Ct. 949 (2012). The United States Supreme Court has recently accepted review of two cases challenging the warrantless search of cell phones by law enforcement in U.S. v Wurie and Riley v California.