A 35-year-old man went to the Baldwin Park home of his estranged wife's family and opened fire, killing a married couple and critically injuring a 10-year-old girl, then later fatally shot himself in Anaheim, sheriff's officials said Tuesday.

Deputies responded around 5 a.m. Monday to a home in the 12700 block of Royston Street in Baldwin Park, where they were met by two men and a boy who said a shooting had occurred inside the residence, according to the Los Angeles County Sheriff's Department.

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Inside the home, deputies found a man and a woman -- both 61 -- fatally shot. A 10-year-old girl was found with a gunshot wound and was taken to a hospital in critical condition, sheriff's officials said.

The fatally injure

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