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    Witness: 'I was in shock at how many times he fired'

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Witness: 'I was in shock at how many times he fired'

Gina Mule, a witness to the tragic shooting in Chattanooga, Tennessee, speaks with CNN's Wolf Blitzer about the shocking event.

Witness: 'I was in shock at how many times he fired'

Gina Mule, a witness to the tragic shooting in Chattanooga, Tennessee, speaks with CNN's Wolf Blitzer about the shocking event.