In this image made from aerial video, police vehicles block an intersection in the vicinity of a shooting in Thousand Oaks, California, early Thursday, Nov. 8, 2018. At least 12 people were killed and multiple people were injured after a man opened fire in Southern California bar late Wednesday. The gunman killed himself at the spot. (Photo/Agencies)
In this image made from aerial video, police vehicles block an intersection in the vicinity of a shooting in Thousand Oaks, California, early Thursday, Nov. 8, 2018. At least 12 people were killed and multiple people were injured after a man opened fire in Southern California bar late Wednesday. The gunman killed himself at the spot. (Photo/Agencies)
In this image made from aerial video, police vehicles block an intersection in the vicinity of a shooting in Thousand Oaks, California, early Thursday, Nov. 8, 2018. At least 12 people were killed and multiple people were injured after a man opened fire in Southern California bar late Wednesday. The gunman killed himself at the spot. (Photo/Agencies)
In this image made from aerial video, police vehicles block an intersection in the vicinity of a shooting in Thousand Oaks, California, early Thursday, Nov. 8, 2018. At least 12 people were killed and multiple people were injured after a man opened fire in Southern California bar late Wednesday. The gunman killed himself at the spot. (Photo/Agencies)