The involvement of Counter-Assault Team (CAT) members-- who are not members of the Uniformed Division, but full-fledged Secret Service agents -- ratchets up the seriousness of the incident, officials said. The heavily armed agents play a key role in protecting the president, serving as part of any presidential motorcade, usually a few cars back from the president's. Their responsibility is to "neutralize" any attack "as quickly as possible,"
Two Secret Service supervisors and three members of the agency's elite Counter-Assault Teams were among the 11 agents sent back from Colombia and placed on administrative leave over allegations that they brought prostitutes to their hotel rooms in Cartagena, law enforcement officials tell NBC News.
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