TED-Ed

How did detectives solve the case of the bloody motel? - Theodore E. Yeshion

2026 • E35    May 5, 2026    6m
Scanning the crime scene, Officer Stone sees a disorderly room, visible red-brown stains and a partial shoe track— all hinting at a bloody struggle. After calling in a team to inspect, photograph, sketch, measure, and collect all the evidence, the investigators apply Luminol. So, what is Luminol and why is it used at crime scenes? Theodore E. Yeshion shines a light on the investigative tool.

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