Spotlight: U.S. Marine veteran kills 12 in California bar shooting rampage

People attend the memorial to mourn the victims of the mass shooting in Thousand Oaks, California, the United States, Nov. 8, 2018. A U.S. Marine veteran opened fire in a crowded bar popular with college students in the state of California, killing 12 people including a sheriff's deputy, police said on Thursday, in the latest mass shooting that shocked the country. (Xinhua/Li Ying)