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Scheffer, 523 U.S. 303 (1998), was the first case in which the Supreme Court issued a ruling with regard to the highly controversial matter of polygraph, or "lie-detector," testing. At issue was whether the per se exclusion of polygraph evidence offered by the accused in a military court violates the Sixth Amendment right to present a defense.
On appeal the majority from the Court of Appeal granted an order to reopen the trial to allow the trial judge to examine the polygraph evidence. The issue was presented to the Supreme Court of Canada as to whether "evidence of the results of a polygraph examination is admissible in light of the particular facts of this case". In a five to two ...
American inventor Leonarde Keeler testing his improved polygraph on Kohler, a former witness for the prosecution at the 1935 trial of Richard Hauptmann. A polygraph, often incorrectly referred to as a lie detector test, [1] [2] [3] is a pseudoscientific [4] [5] [6] device or procedure that measures and records several physiological indicators such as blood pressure, pulse, respiration, and ...
A polygraph test may take center stage at an upcoming sentencing hearing for Alex Murdaugh for his federal financial crimes on Monday, April 1, in Charleston. Murdaugh’s lawyers deny he lied on ...
Under Daubert, certain factors contribute to the reliability, and hence the admissibility, of expert testimony, one of which is the general validity of the expert's methods. The district court found the tire expert's methods not to be scientifically valid, and hence excluded his testimony. This resulted in a conclusion that Kumho Tire would ...
Melendez-Diaz v. Massachusetts, 557 U.S. 305 (2009), [1] is a United States Supreme Court case in which the Court held that it was a violation of the Sixth Amendment right of confrontation for a prosecutor to submit a chemical drug test report without the testimony of the person who performed the test. [2]
Manson v. Brathwaite, 432 U.S. 98 (1977) was a case decided by the Supreme Court of the United States in 1977. [1] The decision touched on the exclusionary rule in state criminal proceedings. [1] The Supreme Court held that the identification procedures used against Brathwaite did not violate the Constitution of the United States. [1]
United States, 485 U.S. 681 (1988), was a case in which the United States Supreme Court held that before admitting evidence of extrinsic acts under Rule 404(b) of the Federal Rules of Evidence, federal courts should assess the evidence's sufficiency under Federal Rule of Evidence 104(b). Under 104(b), "[w]hen the relevancy of evidence depends ...