Marine combat veteran kills 12 in rampage at California bar

A victim is treated near the scene of a shooting Wednesday evening in Thousand Oaks, Calif. (RMG News/via AP)

THOUSAND OAKS, Calif. — Terrified patrons hurled barstools through windows to escape or threw their bodies protectively on top of friends as a Marine combat veteran killed 12 people at a country music bar in an attack that added Thousand Oaks to the tragic roster of American cities traumatized by mass shootings.