Los Angeles authorities arrest suspect in shooting of deputy at traffic light

The person who allegedly shot a Los Angeles County Sheriff's Department motorcycle deputy in the back while he was stopped at a red light has been arrested, Los Angeles police say.

Raymundo Duran, 47, was arrested in San Diego County, according to officials. He was arrested on suspicion of drunk driving and possession of illegal weapons. 

At a press conference on Tuesday, Sheriff Robert Luna said that Duran is a gang member with an extensive rap sheet.

"He has a very extensive criminal history...