LOS ANGELES (AP) — The 14-year-old girl who was killed by Los Angeles police last week — she was struck while hiding in a dressing room as an officer was aiming rifle rounds at a man suspected of assaulting customers at a clothing store and a bullet went through a wall — loved skateboarding and had dreams of becoming an engineer to build robots, her family said Tuesday.

Valentina Orellana-Peralta died in her mother's arms last Thursday at a Burlington store in the North Hollywood neighborhood in the San Fernando Valley.

Soledad Peralta, during a news conference Tuesday, said she and her daught...