Glossary
Batoning. Using a body part, often an arm, to drive home a point; called batoning because the person uses the body part as a conductor uses a baton.
Circadian rhythm. “The rhythmic repetition of certain phenomena in living organisms at about the same time each day,” according to the Joint Commission on the Accreditation of Health Care Organizations glossary (www.jcaho.org). Interrogators manipulate circadian rhythm with light, temperature, and food to disorient a source, particularly when trying to extract time-sensitive information.
Circular logic. Going back to a presumption to make a comment, or using a fact to support a predecessor fact. For example, “I know three left-handed kids who are really smart. Left-handed kids are smart. ...

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