two witness rule
two-witness rule. 1. The rule that, to support a perjury conviction, two independent witnesses (or one witness along with corroborating evidence) must establish that the alleged perjurer gave false testimony. [Cases: Perjury 34. C.J.S. Perjury § 43.] 2. The rule, as stated in the U.S. Constitution, that no person may be convicted of treason without […]