The mother of one of the 12 victims of Wednesday's mass shooting at a southern California bar demanded gun control in the wake of her son's death.

Susan Schmidt-Orfanos, the mother of 27-year-old Telemachus Orfanos, angrily rejected the idea of "thoughts and prayers" following the attack by a Marine veteran on the Borderline Bar and Grill in Thousand Oaks.

"I don't want prayers. I don't want thoughts. I want gun control and I hope to God nobody else sends me anymore prayers! No more guns!" Orfanos said in an interview.

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The bar was packed with college students and patrons enjoying a "college country night" when the gunman, Ian David Long, deployed a smoke device and opened fire with a semi-automatic handgun.

Orfanos, who served in the Navy, attended the Route 91 Harvest music festival in Las Vegas last year, where a gunman opened fire from the Mandalay Bay hotel in the worst mass shooting in U.S. history.

California governor-elect Gavin Newsom (D) lamented the country's "gun culture" after the latest mass shooting.

“It's a gun culture,” he said. “You can't go to a bar or nightclub? You can't go to church or synagogue? It's insane is the only way to describe it. The normalization, that's the only way I can describe it. It's become normalized," he said.

The gunman was said to have suffered from PTSD after serving in Afghanistan.

Other victims of the massacre included Alaina Housley, 18, niece of former Fox News reporter Adam Housley and Sheriff's Sgt. Ron Helus, a 29-year veteran of the force who was first on the scene trying to stop the gunman.

Watch the clips above, including an interview with the Thousand Oaks mayor.

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