158: Forensic Breakthrough: Charles Stielow - Comparison Microscope

A farmer and his friend are shot dead on the farmer's property. Suspicion falls on his newly hired farmhand, who is arrested along with his brother in law. They're convicted on ballistics evidence which showed that the bullets could only have been fired from the suspect's gun. However, later a new suspect emerges causing the case to be revisited. On further inspection, the bullets weren't properly inspected at all, leading to the invention of a new tool.

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Music by:
Kai Engel
"Daemones"
Blooper music by:
Art of Escapism
"Coal Miners"
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Sources:

Charles Stielow - National Registry of Exonerations Pre 1989 (umich.edu)
Forensic Science (edinboro.edu)
New Algorithm Examines Crime-Scene Bullets Segment by Segment (forensicmag.com)
Convicting the Innocent - Stielow and Green (vots.altervista.org)
Herald Democrat March 28, 1917 — Colorado Historic Newspapers Collection
St. Valentine’s Day Massacre - Victims, Evidence & Suspects - HISTORY
The St. Valentine's Day Massacre and Al Capone—Excerpt from Get Capone – Chicago Magazine