The rule announced in Mapp v. Ohio will not be used to overturn any conviction finally adjudicated before Mapp v. Ohio was decided.
Linkletter v. Walker, 85 Sup. Ct. 1731 (1965).
Samuel J. Pasquarelli,
Constitutional Law - Illegal Search and Seizure,
Duq. L. Rev.
Available at: https://dsc.duq.edu/dlr/vol4/iss1/15