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Evidence

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Duke Law

False testimony

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Honesty Without Truth: Lies, Accuracy, And The Criminal Justice Process, Lisa Kern Griffin Jan 2018

Honesty Without Truth: Lies, Accuracy, And The Criminal Justice Process, Lisa Kern Griffin

Faculty Scholarship

Focusing on “lying” is a natural response to uncertainty but too narrow of a concern. Honesty and truth are not the same thing and conflating them can actually inhibit accuracy. In several settings across investigations and trials, the criminal justice system elevates compliant statements, misguided beliefs, and confident opinions while excluding more complex evidence. Error often results. Some interrogation techniques, for example, privilege cooperation over information. Those interactions can yield incomplete or false statements, confessions, and even guilty pleas. Because of the impeachment rules that purportedly prevent perjury, the most knowledgeable witnesses may be precluded from taking the stand. The …


Wanting The Truth: Comparing Prosecutions Of Investigative And Institutional Deception, Lisa Kern Griffin Jan 2009

Wanting The Truth: Comparing Prosecutions Of Investigative And Institutional Deception, Lisa Kern Griffin

Faculty Scholarship

Defensive dishonesty in criminal investigations has increasingly been prosecuted without standards for identifying harmful deception or other meaningful checks on prosecutorial discretion. Although they are often grouped together statistically and evaluated as comparable crimes, there is a clear distinction between investigative lies and in-court perjury. The differences between the offenses—including the standards for prosecution, the perceived victim, and the purposes of bringing charges—suggest reasons to reconsider the current approach to investigative lies such as false statements. More truth is produced, and arguably more cooperation results, when the government focuses on the quality of the information flow. The structural protections in …