The actual statistics for wrongfully convicted people in the United States is 3-5%. That means that 3-5% of the people in state and federal prisons are innocent. Some of these innocent people have actually been executed.
These are the nine (9) most common reasons people are wrongfully convicted:
1. Improper or mistaken eyewitness identification
2. Lack of adequate defense counsel
3. Improper or false police testimony
4. Loss or destroyed evidence (forensic fraud)
5. Lack of alibi for defendant
6. Fabricated evidence by the prosecution
7. Improper jury instructions
8. Prosecutorial misconduct
9. False confessions
Michael O’Laughlin was wrongfully convicted on reasons 2-8. And for this wrongful conviction he was sentenced to 35-50 years in a Massachusetts maximum security prison.