People comfort each other as they stand near the scene Thursday, Nov. 8, 2018, in Thousand Oaks, Calif. where a gunman opened fire Wednesday inside a country dance bar crowded with hundreds of people on
People comforted each other as they stood near the scene Thursday in Thousand Oaks, Calif. where a gunman opened fire inside a country dance bar.
Mark J. Terrill/Associated Press

Photos from California shooting scene

A gunman killed 12 people, including a law enforcement officer, inside a crowded Southern California country dance bar Wednesday, and witnesses described a chaotic scene as panicked patrons smashed windows to get out. The gunman died inside the bar, police said.

Family members are led into the Thousand Oaks Teen Center where families have gathered after a deadly shooting at a bar on Thursday, Nov. 8,2018, in Thousand Oaks, Calif. Multiple people were shot and killed late Wednesday by the gunman who opened fire at the Borderline Bar & Grill, which was holding a weekly country music dance night for college students. (AP Photo/Richard Vogel)
Family members are led into the Thousand Oaks Teen Center where families have gathered after a deadly shooting at a bar on Thursday.
Richard Voge/Associated Press

Friends hug outside Los Robles Medical Center in Thousands Oaks, California, paying tribute to Ventura Country Sheriff's Sgt Ron Helus, killed in the shooting at the Borderline Bar in Thousands Oaks on November 08, 2018. - The gunman who killed 12 people in a crowded California country music bar has been identified as 28-year-old Ian David Long, a former Marine, the local sheriff said Thursday. The suspect, who was armed with a .45-caliber handgun, was found deceased at the Borderline Bar and Grill, the scene of the shooting in the city of Thousand Oaks northwest of downtown Los Angeles. (Photo by Apu Gomes / AFP)APU GOMES/AFP/Getty Images
Friends hugged outside Los Robles Medical Center in Thousands Oaks, California, paying tribute to Ventura Country Sheriff's Sgt Ron Helus.
APU GOMES/AFP/Getty Images

People comfort each other as they stand near the scene Thursday, Nov. 8, 2018, in Thousand Oaks, Calif. where a gunman opened fire Wednesday inside a country dance bar crowded with hundreds of people on "college night," wounding 11 people including a deputy who rushed to the scene. Ventura County sheriff's spokesman says gunman is dead inside the bar. (AP Photo/Mark J. Terrill)
People comforted each other as they stand near the scene.
Mark J. Terrill/Associated Press

A forensics team works the scene Thursday, Nov. 8, 2018, in Thousand Oaks, Calif. where a gunman opened fire Wednesday inside a country dance bar crowded with hundreds of people on "college night," wounding 11 people including a deputy who rushed to the scene. Ventura County sheriff's spokesman says gunman is dead inside the bar. (AP Photo/Mark J. Terrill)
A forensics team worked the scene in Thousand Oaks, Calif. on Thursday.
Mark J. Terrill/Associated Press

Sheriff's deputies speak to a potential witness as they stand near the scene Thursday, Nov. 8, 2018, in Thousand Oaks, Calif. where a gunman opened fire Wednesday inside a country dance bar crowded with hundreds of people on "college night," wounding 11 people including a deputy who rushed to the scene. Ventura County sheriff's spokesman says gunman is dead inside the bar. (AP Photo/Mark J. Terrill)
Sheriff's deputies spoke to a potential witness.
Mark J. Terrill/Associated Press

People comforted each other as they sat near the scene.
People comforted each other as they sat near the scene.
AP Photo/Mark J. Terrill

An FBI agent spoke to a potential witness as they stood near the scene.
An FBI agent spoke to a potential witness as they stood near the scene.
AP Photo/Mark J. Terrill

An image made from aerial video above the scene.
An image made from aerial video above the scene.
KABC via AP

THOUSAND OAKS, CA - NOVEMBER 08: Light shines from inside The Borderline Bar and Grill, the scene of a mass shooting on November 8, 2018 in Thousand Oaks, California. At least twelve people have died, including a Ventura County Sheriffs Department sergeant, plus the gunman. (Photo by David McNew/Getty Images)
Light shone from inside The Borderline Bar and Grill, the scene of a mass shooting..
David McNew/Getty Images)

Ventura County Sheriff Geoff Dean speaks to reporters near the scene in Thousand Oaks, Calif., on Thursday, Nov. 8, 2018, where a gunman opened fire the previous night inside a country dance bar crowded with hundreds of people. Ventura County sheriff's spokesman says gunman is dead inside the bar. (AP Photo/Mark J. Terrill)
Ventura County Sheriff Geoff Dean spoke to reporters near the scene.
Mark J. Terrill/Associated Press

Ventura Sheriff Officers open the way for a motorcade, carrying Ventura Country sheriff Sgt. Ron Helus who was killed in a shooting at Borderline Bar the night before, outside the Los Robles Medical Center in Thousands Oaks, California on November 8, 2018. - The gunman who killed 12 people in a crowded California country music bar has been identified as 28-year-old Ian David Long, a former Marine, the local sheriff said Thursday. The suspect, who was armed with a .45-caliber handgun, was found deceased at the Borderline Bar and Grill, the scene of the shooting in the city of Thousand Oaks northwest of downtown Los Angeles. (Photo by Apu Gomes / AFP)APU GOMES/AFP/Getty Images
Ventura Sheriff Officers opened the way for a motorcade, carrying Ventura Country sheriff Sgt. Ron Helus.
APU GOMES/AFP/Getty Images