Law enforcement says forensic evidence mounting in UHC CEO shooting

The latest on the case against the man suspected of fatally shooting the UnitedHealthcare CEO. Website: http://kpix.com/ YouTube: http://www.youtube.com/CBSSanFrancisco Facebook: https://www.facebook.com/CBSSanFrancisco Instagram: https://www.instagram.com/kpixtv/ Twitter: https://twitter.com/KPIXtv