fruit of the poisonous tree
Commonwealth v. Matos
Silverthorne Lumber Co. v. United States
Mapp v. Ohio, 367 U.S. 643 (1961)
Wong Sun v. United States, 371 U.S. 471 (1963)
Nix v. Williams, 467 U.S. 431 (1984)
Ex turpi causa non oritur actio
Parallel construction
Sugar bowl (legal maxim)
Section 24(2) of the Canadian Charter of Rights and Freedoms