Evidence Commons^™

Actions Speak Louder Than Images: The Use Of Neuroscientific Evidence In Criminal Cases, Stephen J. Morse

All Faculty Scholarship

This invited commentary for Journal of Law & the Biosciences considers four empirical studies previously published in the journal of the reception of neuroscientific evidence in criminal cases in the United States, Canada, England and Wales, and the Netherlands. There are conceded methodological problems with all, but the data are nonetheless instructive and suggestive. The thesis of the comment is that the courts are committing the same errors that have bedeviled the reception of psychiatric and psychological evidence. There is insufficient caution about the state of the science, and more importantly, there is insufficient understanding of the relevance of the …

Using The Dna Testing Of Arrestees To Reevaluate Fourth Amendment Doctrine, Steven P. Grossman

All Faculty Scholarship

With the advent of DNA testing, numerous issues have arisen with regard to obtaining and using evidence developed from such testing. As courts have come to regard DNA testing as a reliable method for linking some people to crimes and for exonerating others, these issues are especially significant. The federal government and most states have enacted statutes that permit or direct the testing of those convicted of at least certain crimes. Courts have almost universally approved such testing, rejecting arguments that obtaining and using such evidence violates the Fourth Amendment.

More recently governments have enacted laws permitting or directing the …

"Sweet Childish Days": Using Developmental Psychology Research In Evaluating The Admissibility Of Out-Of-Court Statements By Young Children, Lynn Mclain

All Faculty Scholarship

A three-year-old child, while being bathed by her babysitter, innocently mentions that her “pee-pee” hurts. When the babysitter asks the child how she hurt it, she says, “Uncle Ernie (her mother’s boyfriend) told me not to tell.” A subsequent medical examination reveals that the child has gonorrhea, a sexually transmitted disease.

By the time of trial, the child is four and-a-half-years old. When questioned by the trial judge, she cannot explain to the judge’s satisfaction, “the difference between the truth and a lie.” Moreover, she has no long term memory of the incident. The judge rules the child incompetent to …