Offenders are guaranteed certain due process rights when facing revocation including the right to have notice of the violation, to confront the witness, have disclosure of evidence and to have an impartial hearing officer. These limited rights were afforded by what two landmark cases? Bearden vs. Georgia and Miranda vs. Arizona Summers vs. State and Fields vs. State Gagnon vs. Scarpelli and Morrissey vs. Brewer Roe vs Wade and Laurel vs Hardy