double cross
noun
a betrayal or swindle of a colleague.
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Invites lieutenants in his organization known to have double-crossed him to a party.
From "Al Capone Does My Shirts" by Gennifer Choldenko
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