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The boston police department
The Boston police department becomes the first local modern police department in the US. -
Day & night watch
New York city combines its separate day and night watches into single city police force -
Dress code
New York was the first to institute a dress code of dark blue for police officers -
Robert William Stewart & Roy Green
First two African American police officers are hired by LAPD -
Police brutality
The New York Times uses 'police brutality' for the first time to describe the beating of a civilian by a police officer -
August vollmer
August vollmer, the police chief of Berkley,Ca, becomes the father of modern law enforcement -
Pennsylvania state police
the Pennsylvania state police becomes the first state police agency -
Blood, fiber and soil analysis
Berkeley's department was the first to use blood, fiber and soil analysis in investigations -
Alice Stebbins Wells
Alice Stebbins Wells becomes the first female police officer hired by the LAPD -
Margret Q. Adams
the first female deputy sheriff Margaret Q. Adams is hired by the LA County Sheriff's Department -
Lie Detector
The lie detector was invented -
Fingerprints
the fingerprint classification system was developed -
Radio-equipped
Radio-equipped squad cars were first used -
Forensics
FBI inaugurated the forensics laboratory -
Friendly blue
Due to riots and cases of police corruption, the NYC police department replaced the dark blue uniforms with a more friendly blue -
Police Dogs
The United Police Canine Association is formed when two ther associations merge -
Boys in dark blue
Uniforms returned to dark blue after the city experiences terrorists attacks