It's the website investigators are looking at as they try to piece together the motive of a woman — identified as Nasim Najafi Aghdam, 39 — who stormed onto YouTube's sprawling San Bruno, Calif., campus with a 9-millimeter handgun and opened fire in a courtyard during lunchtime, wounding three people before turning the gun on herself. President Trump ordered his administration to consider imposing tariffs on an additional $100 billion in Chinese imports. President Trump's administration released new figures on Thursday showing a surge in March in people caught crossing the border unlawfully. Up to 87 million Facebook users had personal information improperly shared with political consulting firm Cambridge Analytica. Policyholders have filed more than $421 million in insurance claims as a result of the Montecito mudslide. The magnitude 5.3 earthquake that rattled Southern California on Thursday was the strongest in the region in several years.