However , the district court denied the motion .
Rodriguez filed a motion to suppress evidence discovered by the drug detection dog , arguing that an officer may not extend an already completed traffic stop to conduct a canine sniff without reasonable suspicion or other lawful justification .
The district court denied the motion .
Rodriguez filed a motion to suppress evidence discovered by the drug detection dog , arguing that an officer may not extend an already completed traffic stop to conduct a canine sniff without reasonable suspicion or other lawful justification .