It's safer to be a cop in the U.S. today than 50 years ago, finds a new study. Despite increases in violent crimes, the hazards of policing has dramatically declined since 1970 with a 75 percent drop in police officer line-of-duty deaths.

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It's safer to be a cop in the U.S. today than 50 years ago, finds a new study. Despite increases in violent crimes, the hazards of policing has dramatically declined since 1970 with a 75 percent drop in police officer line-of-duty deaths.