Police officer resigns after shooting that killed 1-year-old

A Mississippi police officer who shot into a moving car and killed a 1-year-old boy outside a Walmart in June has resigned, the mayor of Senatobia confirmed to CBS News on Friday.
Foster's resignation comes after the Mississippi attorney general's office announced Monday that the use of force was justified in the June shooting that stemmed from a response to an alleged shoplifting incident.
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