Home Free: How a New York State prisoner became a jailhouse lawyer, and changed the system,” by Jennifer Gonnerman, in: New Yorker, A Reporter at Large, June 20, 2016 issue.
“Derrick Hamilton was wrongfully convicted of murder, and spent more than two decades trying to prove his innocence…. He started spending time in the library, and eventually taught himself enough criminal law to become one of the most skilled jailhouse lawyers in the country….” [Link to New Yorker article.]
Hat tip to Longform.