Audio recordings from the Connecticut school shooting that killed 20 children and six educators a year ago reveal a mixture of calm and anguish from the callers, and gunshots from the assailant are ... more 
Audio recordings from the Connecticut school shooting that killed 20 children and six educators a year ago reveal a mixture of calm and anguish from the callers, and gunshots from the assailant are heard in the background. Nathan Frandino reports. less 
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Wed, Dec 4, 2013 9:50 PM EST