8: 6th amendment – What is effective representation? Last updated Save as PDF Page ID 54467 Lumen Learning Lumen Learning 8.1: Powell v. Alabama 287 US 45 (1932) 8.2: Gideon v. Wainwright 372 US 335 (1963) 8.3: Texas v. Cobb 532 US 162 (2001) 8.4: Escobedo v. Illinois 378 US 478 (1964) 8.5: Montejo v. Louisiana 556 US 778 (2009)