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Use of photography is used to help solve crimes
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Detectives are able to gather physical evidence from crime scenes for clues.
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Doctors are able to find traces of poisons in victims.
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Able to use chemicals to test for different things in victims body.
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Now able to identify which bullet came from what time of gun.
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Detectives started to use finger prints to identify criminals and victims.
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Body temperature is used to find time of death.
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Artists are now able to use exact measurements to draw accurate pictures of suspects
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Blood is now being used to identity criminals and used as evidence.
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Able to collect hair for forensics.
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Crime labs are built to process and develop evidence.
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Lie doctors are now used for investigation.
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Investigators are now able to gather DNA to identify the criminal.
