DNA | The Marshall Project

What are records? Since 2014, The Marshall Project has been curating some of the best criminal justice reporting from around the web. In these records you will find the most recent and the most authoritative articles on the topics, people and events that are shaping the criminal justice conversation. The Marshall Project does not endorse the viewpoints or vouch for the accuracy of reports other than its own.

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Missouri Man Said DNA Test Could Prove Innocence. He Was Executed Before a Court Ruled.

Lance Shockley died by lethal injection last year. State courts have rejected prisoners’ requests for DNA testing in recent years.

St. Louis • 03.10.2026

DNA Testing Refutes Ohio Man’s Claim of Innocence

Ohio Innocence Project sought testing after review of Samuel Herring conviction.

Cleveland • 12.06.2023

After Nearly 40 Years Behind Bars, Ohio Man Pins Hopes on DNA Testing

Samuel Herring hopes the first-ever testing in a notorious 1984 rape will add another exoneration to the Ohio Innocence Project’s resume.

Cleveland • 11.09.2023

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