What we know about the Thousand Oaks shooting

A gunman opened fire late Wednesday night at Borderline Bar & Grill in Thousand Oaks. He was a 28-year-old former U.S. Marine named Ian David Long. Authorities say he may have had PTSD. The shooting happened at an event for college students. Twelve people were killed, including a sergeant with the Ventura County Sheriff’s Department, and Long himself. At least a dozen others were injured.

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