I discovered this very little-known but fascinating murder case that few people outside law-enforcement circles have heard of. It involves the death of two children in the small, seaside Argentine town of Necochea in 1892. As I continued my research into the state of forensics in Argentina and the rest of the world at the time, I came across some very fascinating facts.
Latent fingerprint analysis is one of the more well-established domains of forensic science, yet these human examiners are vulnerable to the same confirmation biases that plague us all. It logically follows that other, less 'scientific' domains of forensic science that involve visual comparisons could be similarly hampered.
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