Program Note: A culture of fear and retaliation exists within the ATF, according to several agents of the Bureau of Alcohol, Tobacco, and Firearms. Abbie Boudreau of CNN's Special Investigations Unit will have Part 1 of the story tonight on AC360° at 10pm ET.
Anderson Cooper goes beyond the headlines to tell stories from many points of view, so you can make up your own mind about the news. Tune in weeknights at 8 and 10 ET on CNN.
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