15-year-old Richard Ung was arrested at his parents' home in Arcadia, where sheriffs recovered nine guns, including an AK-47 assault rifle and an assault pistol. Ung is being investigated for alleged involvement in the stabbing death of Boo K. Lee.
Justo Cesar Morales, 25, of Arcadia, was shot to death and found in his parents' home in the 2200 block of Canyon Road. The slaying has stunned residents in this upscale neighborhood.
Some local killings remain unsolved. Police say few people have come forth to testify about the homicide of Ryan Brock for fear of retaliation from suspects and their associates.
The California Highway Patrol freeway pursuit of suspected drunk driver Alexander Contreras led to the death of an innocent bystander, Michael Kim, 20, of Arcadia.
County officials are offering a $20,000 reward for information in the slaying of Jason Wei, an Arcadia restaurant owner. He was held up and shot at his Osaka Ya Restaurant on November 25, 2007.
Amanda Avila of Rowland Heights is one of 16 finalists on television's talent show "American Idol." Her family and friends meet at an Arcadia restaurant every week to see if she advances to the next round.
Ryan Richard Swender, of Arcadia, along with two others, plead not guilty in the December 1 stabbing of a 17-year-old boy at Memorial Park in Sierra Madre.
Two teenage stabbing victims are expected to recover from injuries they sustained when they fought with unknown attackers outside the southeast side of the Westfield Shoppingtown Santa Anita mall.
Carlos Martinez and Christian Martinez were found guilty of the 2004 murder of Alberto Castillo, a Texas man, at a Motel 6 in Arcadia. Peter Santisteven, another suspect, is awaiting trial.
Richard Russo, 50, of Arcadia, surrendered to police after an all-night standoff at his home on Arbolada Drive. In the morning Carmen Russo was found dead of multiple gunshot wounds and Richard Russo was arrested. Two children ages 6 and 11 are staying with family.
Police from across Southern California, including Arcadia, are joining Monrovia Police and sheriffs in a task force to try to obliterate street gangs that are committing crimes. This joint task force comes after four people were killed recently in Monrovia. Police suspect Black and Latino gangs of the murders.