Nextel's Cat Trax line of
child-tracking phones are about to get an interesting new feature that keeps them updated with addresses of local
sexual predators and alerts parents by text, email, or page if the phone enters one of the virtual danger zones, or
"geofences." The system, which is part of a $20 monthly subscription service from CATS Communications ($10
for each additional phone), is updated in more-or-less real time thanks to a link with the Family Watchdog national
database of registered offenders. This new component of the service was championed by Joe Dawson, a resident of 11-year
old murder victim Jessica Lunsford's hometown, and the driving force behind the legislation which bears her name.
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