Wrongful Conviction and then Exonerated

Identify a single criminal case where a person was convicted of a crime, and later exonerated.  Searching online will reveal plenty of cases.  You make the choice.   Complete a 2 to 4-page paper covering the following;

1. Summarize the case,
2. Explain how and why the conviction was later overturned.
3. What could have been different during the original investigation?
4. If you were one of the original investigators of the case, how would you feel about the case being overturned