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CHICAGO (AP) — The killing of a veteran police officer northwest of Chicago is the latest in a string of recent law enforcement deaths. Lt. Charles Joseph Gliniewicz' death on Tuesday triggered a manhunt for three suspects around the small Illinois community where the 52-year-old officer worked. A look at some of the latest slayings and data on other officer killings:
The stock market's sharp downturn in recent weeks has pulled the three major U.S. stock indexes into what is known as a "correction." But when does a market correction effectively end a bull market and usher in a full-blown bear market?