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Secret Service scrutinized after 'basic rules' not followed
5m 54s
The assassination attempt on former President Trump is raising major questions about the Secret Service and its security protocols. Chief among them, how was a 20-year-old with a rifle able to obtain a clear line of sight? Amna Nawaz discussed more with Carol Leonnig, a reporter for The Washington Post and author of “Zero Fail: The Rise and Fall of the Secret Service."