Constitutional Reform and Controversy 1961-Supreme Court Prevents Illegal Search and Seizure with Mapp v Ohio 1964: Warren Court Strengthens Innocent Until Proven Guilty Through Miranda 1964-24th Amendment Prohibits Poll Taxes in Federal Elections 1967-1992 - The 25th,26th and 27th Amendments Reform America's Political Landscape 1973- Roe v Wade Extends Constitutional Right of Privacy 2000- America Contests a Presidential Election