Los Angeles, UNITED STATES
Commander Smith of the LA Police Department speaks during a news conference in Los Angeles
Commander Andrew J. Smith, public information officer at the Los Angeles Police Department, speaks during a news conference in Los Angeles, California July 28, 2014. Four people, two of them juveniles, have been arrested in the robbery and beating death last week of Chinese graduate student Xinran Ji, 24, near his off-campus apartment, Los Angeles Police officials said on Monday. REUTERS/Mario Anzuoni (UNITED STATES - Tags: CRIME LAW EDUCATION)