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Evidence Commons

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University of Michigan Law School

Expert testimony

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Full-Text Articles in Evidence

Introduction, Shari S. Diamond, Richard O. Lempert Oct 2018

Introduction, Shari S. Diamond, Richard O. Lempert

Articles

Experts bedeviled the legal system long before seventeenth-century Salem, when the town's good citizens relied on youthful accusers and witchcraft experts to identify the devil's servants in their midst. As in Salem, claims of expertise have often been questioned and objections raised about the bases of expert knowledge. Expertise, then and now, did not have to be based on science; but the importance of science and the testimony of scientific experts has since medieval times been woven into the fabric of the English jurisprudence that Americans inherited. In cases as long ago as 1299 we find examples of courts seeking …


Cross-Racial Identifications: Solutions To The "They All Look Alike" Effect, Laura Connelly Oct 2015

Cross-Racial Identifications: Solutions To The "They All Look Alike" Effect, Laura Connelly

Michigan Journal of Race and Law

On a late summer evening in August of 1997, Nathan Brown was in his apartment rocking his young daughter to sleep when the police knocked on his door. The police sought Brown, one of a few Black men in his apartment complex, after a young White woman said she had been assaulted by a shirtless Black man wearing black shorts with strong body odor walking through the complex’s courtyard. Minutes later the police took Brown outside and put him in the patrol car for a one-on-one “showup.” They brought him out by himself to see the victim wearing black shorts …


Expert Evidence, Samuel R. Gross Jan 1991

Expert Evidence, Samuel R. Gross

Articles

It seems that the use of expert witnesses in common law courts has always been troublesome. In his Treatise on the Law of Evidence, first published in 1848, Judge John Pitt Taylor describes several classes of witnesses whose testimony should be viewed with caution, including: enslaved people (which accounts for "the lamentable neglect of truth, which is evinced by most of the nations of India, by the subjects of the Czar, and by many of the peasantry in Ireland"); women (because they are more susceptible to "an innate vain love of the marvelous"); and "foreigners and others ... living out …