Money spent on prisons cannot be spent on more cost-effective methods of crime-prevention, such as better policing, drug treatment or probation.

花在监狱上的钱可以用在更有效的犯罪预防上，例如用来改善警力、戒毒治疗或缓刑。

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This article analyzes the characteristics of mental trace in crime scene, advances its carriers, and discusses the details of the ways and methods of crime scene mental trace.

文章分析了现场心理痕迹特征，提出了现场心理痕迹所依附的载体，较详细地论述了对现场心理痕迹分析的途径和方法。

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This article analyzes the characteristics of mental trace in crime scene, advances its carriers, and discusses the details of the ways and methods of crime scene mental trace.

文章分析了现场心理痕迹特征，提出了现场心理痕迹所依附的载体，较详细地论述了对现场心理痕迹分析的途径和方法。

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