What methods might be used to avoid wrongful convictions and exonerate those who have been wrongfully convicted?

What methods might be used to avoid wrongful convictions and exonerate those who have been wrongfully convicted? Please identify and discuss at least two (2) methods. Additionally, please be sure to address the following:
Research and briefly summarize a case, where someone was wrongfully convicted and later exonerated.
Do you support the mission and vision of the Innocence Project?
Remember, you must address the following questions in a minimum 2-page Word document. Additionally, this assignment must be completed in APA format (i.e. 12-point Times New Roman font, double-spaced, etc.), and you must validate and support your verbiage (i.e. , facts, opinions, beliefs, etc.) with citations and references of at least two (2) credible sources in addition to the textbook.