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Officer fatally shoots unarmed man, 73; family says he showed signs of dementia

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On Monday, police in Bakersfield, California, responded to a call about a man with a gun. When they arrived, a witness pointed to a man standing in the driveway. One officer fired several shots, killing 73-year-old Francisco Serna, who was unarmed. Family members say Serna was showing early signs of dementia.