A sheriff's sergeant who responded to a mass shooting in Thousand Oaks was killed by friendly fire from a California Highway Patrol officer's weapon.
A Camarillo father identified his son as one of 12 people slain in the mass shooting at a Thousand Oaks nightclub.
Matt Wennerstrom said he immediately recognized the sound of gunfire, and he smashed a window with a bar stool to rescue people inside as the shooting was taking place.
A stepfather and his stepson said the gunman at a Thousand Oaks shooting used smoke grenades and fired multiple shots inside the bar.
A man who survived the deadly mass shooting last year in Las Vegas also miraculously came out of a mass shooting at a bar in Thousand Oaks alive Wednesday.