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Fingerprints were used on official documents like a signature in ancient China and Persia. -
A professor in Italy noticed that fingerprints had common patterns. -
William Herschel began noticing that no two fingerprints were the same. He realized that fingerprints could be used for identification purposes. -
A doctor wanted to know whose water bottle it was, so he used the fingerprints on the bottle to identify it in the lab. -
In Argentina, there was a bloody fingerprint on the door frame. The police in Argentina was able to use it to identify the murderer. -
The NYPD began to use fingerprints to identify people. -
The FBI starts keeping track of fingerprints on file. -
The FBI started to computerize the fingerprints so it's easier. -
The FBI started to fingerprint children to identify kids who had gone missing. -
Interpol has a system that has more than 150,000 fingerprints stored to identify criminals in 190 countries.