tracking Advocates push for Missouri prescription drug tracking By Associated Press • Nov 25, 2014 A Missouri lawmaker is continuing to push for a prescription medication database despite several previous failed attempts. Missouri House passes electronic tracking bill By Associated Press • Mar 13, 2014 FIle Photo / KBIA Law enforcement could not track the location of an electronic or cellular device without a warrant under a bill passed by the Missouri House. Lawsuit challenges Mo. on cellphone tracking By Associated Press • Aug 28, 2012 A federal lawsuit is seeking to strike down a new Missouri law making it easier for police to track people's cellphone signals during emergencies. Cell phone tracking bill currently before Gov. Nixon By Marshall Griffin • Jun 1, 2012 File / KBIA Among the more than 110 bills passed by Missouri lawmakers this year is one designed to help law enforcement officers track a missing person through the potential victim’s cell phone signal.