end clear murderers planted murder weapon mrs columbos car police ballistics lab br br but gun hood used demonstration come from murderers cleared stuff hood whole week columbos cops replicate cameragun hood used demonstration without breaking entering car perhaps murders seemed surprised end could columbo replicated cameragun device gotten calibrated key fob columbo must gotten gun back ballistics replanted hood car lucky rest device camera still transmittingbr br this  show glaring plot error end