A mass shooting at a Thousand Oaks, California, nightclub left 13 people dead, including a Ventura County sheriff's sergeant and the gunman, authorities said Thursday morning.

He was the loving husband of Shelby L. (Cook) Kornbluth and the devoted father of Maxwell and Hailey. Born on May 9, 1966 to Benjamin and Loretta (Wyer) Kornbluth, he was raised in Thousand Oaks ...