In a county the size of Los Angeles, with 10 million people, thousands die each year. Not every death is investigated, except one kind: Children
Every time a child dies in the county, an investigator is assigned to find out what happened. That investigator is Denise Bertone. Her phone is the first to ring when a baby dies, and she's often the first investigator at the scene.
KPCC's Deepa Fernandes tagged along on her daily rounds.
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