Fingerprints don´t lie- Or do they

Murder

two people

trail

Mark on a door

Fingerprints

A fingerprint is recognized and the case resolved.

it was the first time a fingerprint was used to solve a case.

investigator

Juan Vucetich

three professional investigated different cases.

William Herschel

collected a lot of fingerprints

work for the British government in India

discover that fingerprints do not change over time

Henry Faulds

Looking at ancient Japanese pottery noticed small lines in the pots.

were 2,000-year-old fingerprints.

Francis Galton

he made fingerprint patterns

this helped to identify people easier

Galton details

currently used by the police

the possibility that two people with the same fingerprint would be 1 in 64 billion.

a question was created

all fingerprints change?

He took all the traces of his students and friends.

a robbery happened and thanks to that it gathers footprints of all

found the thief

Like Faulds, Galton believed that each person had a unique fingerprint

The fingerprints were the perfect tool to identify criminals.