It already was a trend. Schools in increasing numbers have been installing closed circuit television (CCTV) systems on buses and playgrounds, in parking lots, libraries, and corridors, at entrances, and even in boys' and girls' locker rooms. But the two tragic shootings that left five students dead late last year in Pearl, Miss., and Paducah, Ky., have hastened schools' acceptance of electronic surveillance, school security experts have told eSchool News
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