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  The first law enforcement around was in 1626 in new york. it started off as a sheriff department.
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  The town of boston began its first police watch.
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  handguns and handcuffs are the new standard for equipment
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  used to make long distance calls
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  in new york riots sprung out all over the city
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  The boston police department becomes the first local modern police department in the u.s.
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  The new york city police department is established.
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  Nightwatch and daywatch are introduced and cops get diffrent shifts during day and night
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  district stations were linked to telegraph from line to line
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  The first two african american police officers was robert william stewart and roy green were hired by lapd
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  officers became more proffesional and crime experts
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  Used to determine if someone is lying
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  Fingerprint systems were made to determine dna of a specific suspect of crime
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  Radars are introduced to traffic law enforcement
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  cops change outfits to light blue to try and calm down everyone
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  Police department created the number 911
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  Females are assigned to crime investigations and patrol duty
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  Change back to dark blue uniforms to indimidate terrorists