Polk County child death: Grandmother arrested in March car incident

WINTER HAVEN, Fla. - A Polk County grandmother was arrested months after her 1-year-old granddaughter died in the backseat of her car. The Winter Haven Police Department said Karen Benyard, 74, was arrested on an aggravated manslaughter of a child charge on Wednesday — nearly five months after her granddaughter's death. Polk County child death Officers said the 17-month-old granddaughter was in a…