The gunman who killed 12 people at the Borderline Bar & Grill in Thousand Oaks, California, was a 28-year-old veteran of the Marine Corps who had previous run-ins with the law, officials said.

The shooter in a killing rampage at a country western bar in Thousand Oaks, California, has been identified as former U.S. Marine Ian David Long, officials said.. Ventura County Sheriff Geoff Dean ...

Investigators said Tuesday they still don't know why 28-year-old Ian David Long attacked staff and customers at the Borderline Bar and Grill in the Los Angeles suburb of Thousand Oaks on Nov. 7.

Marine Corps veteran Ian David Long, 28, the man accused of killing 12 at a nearby country bar late Wednesday before shooting himself, was a former machine gunner and decorated combat veteran of ...

Marine veteran Ian David Long, who killed 12 people in a mass shooting last week, apparently posted on Facebook about mass shootings shortly before the attack By Amelia McDonell-Parry Amelia ...

Police identified 28-year-old Ian David Long as the suspect in the shooting at a Thousand Oaks, Calif., bar that left at least 13 dead, including the suspected gunman.

The California man who killed a dozen people at a bar packed with college students was a former Marine who may have been suffering from PTSD, the Ventura County sheriff said. Ian David Long, 28, wh… ...

Before Ian David Long turned the gun on himself, he allegedly killed 12 people, including sheriff's Sgt. Ron Helus, in Thousand Oaks, California.

Ian David Long's behavior alarmed many but never became threatening enough for him to be taken into custody for mental health treatment. Those who knew the Afghanistan war veteran described him as ...

California bar shooter Ian David Long was a "weird" loner who practiced dance moves alone in his garage -- and visited the bar he shot up at least once before, his former roommate told The Post ...

A woman who coached Thousand Oaks shooter Ian David Long in high school has alleged that he assaulted her during that time, and she says signs of him being "mentally disturbed" went unreported. 12 ...