Forensic Science | 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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Have We Been Wrong About ‘Psychopaths’?

In a new book, Rasmus Rosenberg Larsen questions how courts and prisons use psychopathy diagnoses — and whether they should at all.

Q&A • 06.16.2025

Discredited Hair Analysis Is Fueling Efforts to Overturn Convictions

Rapper Common talks about his work bringing music into prisons, and incarcerated people fight their convictions from debunked forensic science.

Inside Story • 10.03.2024

Old-School Hair Analysis Is Junk Science. But It Still Keeps People Behind Bars

The technique, developed before DNA testing, can’t definitively tie suspects to crime scenes. Try explaining that to juries — or some judges.

Feature • 12.15.2023

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