Most local law enforcement agencies have their own closed-circuit TV systems, aimed at curbing crime and apprehending criminals. According to Eric Piza, Professor of Criminology at Northeastern University, who has studied this in Newark, N.J. and elsewhere, CCTV systems can reduce both violent crime and property crime if linked to strategic staff deployment.
Profs on Cops: Closed-Circuit TV Systems
Eric L. Piza, Ph.D. 