The prevention and control of crimes should be based on the tri-diversion structure: crime, victim and country.

犯罪预防和控制应立足于犯罪、被害和国家三元结构，被害人是犯罪预防体系的构成要素之一。

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His theory mainly has two parts: the theory on the reasons of crime and the theory of prevention and control of crime.

他的犯罪学理论主要包括两个部分：犯罪原因论和犯罪防治论。

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From different perspectives, both of the theories expounded the root cause and the essence of crime, coupled with the prevention and control of crime.

原罪论、性恶论从不同视角阐释了犯罪产生的根源及本质、犯罪的原因及防范控制。

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Kennedy, director of the Center for Crime Prevention and Control at the John Jay College of Criminal Justice in New York.

FORBES: Magazine Article

The March Pew study, drawn from numbers obtained from the Bureau of Justice Statistics and Centers for Disease Control and Prevention, also found a dramatic drop in gun crime over the past two decades.

FORBES: Disarming Realities: As Gun Sales Soar, Gun Crimes Plummet