The LAPD said on social media that the people in the crowd were throwing "rocks, bricks, bottles and other objects" while they were near the federal building.
A teenager survives a vicious attack by an ex-boyfriend. Years later, she faces him in court after he murders a young mother. "48 Hours" correspondent Anne-Marie Green reports.
In February 2015, Officer Daniel Green was shot four times and left for dead in his Goshen, California home. At first, his ex-wife Erika Sandoval denied having anything to do with his death — then she admitted everything.