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1947William Joseph Bratton is born
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1965Graduates from Boston Technical High School
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1970After serving in Vietnam, joins the Boston Police Department as a beat cop
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1975Graduates from the University of Massachusetts in Boston
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1980Promoted to Boston Police Department’s highest sworn position
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1983Named chief of Massachusetts Bay Transportation Authority Police
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1986Becomes superintendent of Boston’s Metropolitan District Commission Police
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1990Named chief of the New York City Transit Police Department
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“When I became the Transit Police chief in 1990, no one predicted that subway robberies would decline by 76 percent in the next six years, but it happened.”
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1992Returns to the Boston Police Department as superintendent in chief
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1993Becomes Boston’s police commissioner
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1993Named New York City police commissioner by Mayor Rudy Giuliani
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“I did not come here to lose. We will fight for every house in the city. We will fight for every street. We will fight for every borough. And we will win.”
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1995Launches Compstat, a pioneering computerized accountability system
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1996Felony crime in New York City declines by 39 percent since 1994
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1996Resigns as NYPD commissioner amid tensions with Giuliani
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“Since I became commissioner in 1994, the New York Police Department has been engaged in a full-scale attack on crime. Reported crime continued to decline in the first quarter of 1996 – 33 percent since 1993. Homicides are down 49 percent.”
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2002Becomes chief of Los Angeles Police Department
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“We don’t have the certainty we had in the ’70s, ’80s and ’90s, when it was the traditional crime: murder, rape, robbery, car thefts. We had defined it. We knew its dimensions. And now we really don’t know what those dimensions are. We’ve had the unheard-of events of September 11th, planes hijacked and crashed into buildings.”
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2007Major felonies in Los Angeles decline by 30 percent since 2002
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2009Resigns as chief of LAPD
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2011Considered for position as commissioner of Police of the Metropolis of London
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2013Appointed New York City police commissioner by Mayor Bill de Blasio
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“In this city, I want every New Yorker to talk about ‘their police,’ ‘my police.’”
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2016Resigns as New York City police commissioner
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“I’m leaving because it’s the right time.”