1. Marbury v. Madison, 5 U.S. 137 (1803), was a landmark United States Supreme Court case in which the Court formed the basis for the exercise of judicial review in the United States under Article III of the Constitution.

2. 6th Amendment
Right to a fair, speedy, public trial, with a jury in all criminal cases. The right to an attorney (lawyer) must be provided in all criminal trials.
Civil Law cases = Cases between two or more private citizens.
Criminal Law cases = The government brings charges against a citizen for breaking the law.
After the Supreme Court case of Gideon v. Wainwright, (1963). In all criminal cases, both federal and state courts must appoint a lawyer to an accused person if he/she can’t afford one.
Clarence Earl Gideon

3. 5th Amendment
Miranda Warning- No person accused of a crime may be forced to be a witness against him or herself, because in the eyes of a jury or court it may make the accused look guilty.
Starting in 1966, after the Miranda v. Arizona Supreme Court case, police now have to tell those accused of a crime that they have the right to remain silent, and if they say something it can be used against them in a court of law. They have the right to an attorney, and if they can’t afford one the government will provided one free of cost.
Ernesto Miranda