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Fingerprint ID
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Blood Markers
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First Fingerprint used for Inmates
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Discovered guns were different
Each gun has different markings ans leaves behind a different shell casing -
Crime Labs
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DNA leads to suspects
New details that were discovered with DNA lead to convicted murders with the help of discovering their DNA -
DNA Technique
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Shoe recognition
Shoe markings were found to be helpful in discovering who was where and were used for crime scenes -
Facial Recognition
Machines were made to be able to discover possible matches for sketches of suspects for crimes