1. A trial judge’s ruling that evidence offered by a party should be excluded because it was illegally acquired. [Cases: Criminal Law 394, 700; Evidence 154. C.J.S. Criminal Law §§ 486, 490, 510, 770, 1233, 1236; Evidence§§ 252–258.]
2. The destruction of evidence or the refusal to give evidence at a criminal proceeding. • This is usu. considered a crime. See OBSTRUCTION OF JUSTICE.
3. The prosecution’s withholding from the defense of evidence that is favorable to the defendant. [Cases: Criminal Law 700.]