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28-year-old former Marine ID’d as California bar shooter, used handgun with extended magazine

THOUSAND OAKS, Calif. — Authorities have identified the suspect in a mass shooting at a Southern California bar as 28-year-old Ian David Long.

Ventura County Sheriff Geoff Dean said Thursday morning that Long is believed to have killed himself late Wednesday at the Borderline Bar and Grill in Thousand Oaks.

Dean says his department had several previous contacts with the former Marine including a call to his home in April, when deputies found him acting irate and irrationally.

The sheriff says a mental health crisis team was called at that time and concluded that Long did not need to be taken into custody.

Dean says the other prior encounters were a traffic accident and an incident when he was the victim of a battery at a bar.

Long was found dead in the Borderline Bar and Grill after 12 people, including a sheriff’s sergeant, were shot to death late Wednesday.

Dean said Long was armed with a Glock 21, a .45-caliber handgun designed to hold 10 rounds plus one in the chamber.

But the sheriff said the gun had an extended magazine that is illegal in California. The sheriff said he does not know how many rounds that magazine can hold.

One other person suffered a gunshot wound and as many as 15 others suffered minor injuries from jumping out windows and diving under tables.