Program Uses GPS To Track Sex Offenders
43 sex offenders in Pennsylvania's Allegheny County are wearing GPS monitoring devices as part of a pilot program designed to keep track of their movements. If the offender moves into an "exclusion zone," police are called. “Exclusion zones for example [are] schools, daycares, playgrounds, facilities where children congregate for those sex offenders,” John Hudson, a security consultant, said. “We’ve identified in their red zones. If an offender with a device goes into one of the red zones, an exclusion zone, we’ll be notified immediately.”
It appears you are entirely correct. I had always heard that high recidivism was the reason we treated sex offenders differently. Turns out that sex offenders have a lower recidivism rate than any other class of crime except murder. So why do we treat them differently?
http://en.wikipedia.org/wiki/Sex_offender#Recidivism_rates
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