Crime-fighting devices

Examines the science and technology that law enforcement officers use to prevent and solve crimes. Describes infrared and motion sensors, metal detectors, closed-circuit television, GPS, fingerprint scanners, DNA analysis, body armor, and Tasers. Includes a timeline, a glossary, and sources of more information.

Raintree
2012
9781410942753
book
Lexile: 
960

Holdings

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278208062695482098161773244054GEI228GVN0016809681.75 SNE681.7516377825731695044385
344439968221841593161773244054Edison169SL95041681 SNE68116407292551640729255