| Term | Definition |
| Powell v. Alabama (1932) | Due process clause guarantees defendants in death penalty case the right to an attorney |
| Betts v. Brady (1942) | Poor defendants in noncapital cases are not entitled to an attorney at govt expense |
| Gideon v. Wainwright (1963) | Those who cannot afford an attorney will have one provided by the state; Overturned Betts v. Brady |
| Escorbedo v. Illinois (1964) | Extended exclusionary rule to illegal confessions in state court cases; Est'd Escorbedo Rule |
| Escorbedo Rule | Persons have the right to an attorney when an investigation begins |
| Furman v. Georgia (1972) | Death penalty unconstitutional--imposed arbitrarily |
| Gregg v. Georgia (1976) | Death penalty constitutional--imposed based on circumstances of the case |