USA Unsolved 09 features yet another case from California, specifically in the city of Diamond Bar. An older couple lose contact with their friends and family, and it is soon discovered that they have been murdered. Was this a robbery/burglary gone wrong?

If you have any information on the unsolved murder of Wang Cheng Long and Chung Mei Chu, please call any one of the numbers below.

Los Angeles County Sheriff's Department's Homicide Bureau at (323) 890-5500.

Those wishing to remain anonymous may call Crime Stoppers at (800) 222-8477.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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