In the debate over cell phone jamming in prisons, the skeptics have caution and reason on their side, but the advocates bring impressive horror stories. Take Texas State Senator John Whitmire, who testified at Wednesdays’ Senate Commerce and Science hearing on a bill to let prisons use jamming technology to block mobile phone use within their walls. At the event, he described how he received a phone call last year from Texas death row inmate Richard Tabler .

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Experts clash over cell phone jamming at Senate hearing