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Presumed Guilty

Martin Yant's experience, expertise, and dedication to freeing the innocent is unparalleled among private investigators, which is why he has been called the most successful one-man innocence project in the country.

In 2005, The Washington Post named Martin's book Presumed Guilty one of the eight most important books on miscarriages of justice ever published.

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Freeing the Innocent

Martin works closely with the nation's innocence projects, other advocacy groups and individuals dedicated to freeing the wrongfully convicted. His investigations have helped free more than 30 wrongfully convicted individuals, including two men originally sentenced to death who spent 26 years in prison and a couple incarcerated for 27 years for crimes that never occurred.

One of Martin's best-known successes was the nationally publicized case of convicted murderer Clarence Elkins. Elkins was released from prison in 2005 when DNA tests Martin initiated identified the true killer, who later pleaded guilty. 


Martin's investigations have been covered by Time magazine, The New York Times and many other publications. They have also been featured on 48 hours, Dateline, Unsolved Mysteries, Forensic Files, The CBS Evening News, American Justice, CNN, The Discovery Channel, the Oxygen network and the Canadian Broadcasting System. In 2013, he was interviewed about wrongful convictions on the BBC's Newshour show, which has a global audience of 43 million.


The Georgetown University graduate has written four other investigative books. Martin was named the Columbus Community Festival's Honored Activist for 2016 for his "dedication to uncovering the truth and freeing the innocent."

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