Definition of "tripwires" [tripwires]

• Plural form of tripwire. (noun)

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• "Law enforcement agencies, particularly the Federal Bureau of Investigation, maintain a number of "tripwires" designed to encourage people who sell everyday products that could be used to make explosives to notify agents of any suspicious behavior or purchases."
• "Nations peacekeeper withdrawal and Egyptian troop movements into the Sinai, as one of the three "tripwires" which would drive Israel to war."
• "It is the second phase of networking that will provide NATGRID with the analytical capability to cross-link different pieces of information and flag "tripwires" that indicate some unlawful or terrorist activity is in progress or likely to take place."