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A mother is the best polygraph examiner in the world," says former FBI profiler and interrogation expert Jack Trimarco. Here are Trimarco's top clues for figuring out if your child is being dishonest:
Double is trouble: A lying child may repeat your last statement in a ploy to gain time to think up a believable response.
Facing the facts: Changing facial expressions, or gestures such as nose scratching.
Missing a beat: Some kids know it's wrong to fib, they may deliver a whopper in a lowered voice, or change the tone or tempo of their speech.
Talking too much: A less-than-truthful child may feel compelled to fill empty air time with unsolicited information. Unless your kids is the type who reports every detail, rambling is a sure sign he's not telling you everything.