Wall Street Journal
August 5, 2010
- A d v e r t i s e m e n t
Phone companies know where their customers’ cellphones are, often within a radius of less than 100 feet. That tracking technology has rescued lost drivers, helped authorities find kidnap victims and let parents keep tabs on their kids.
But the technology isn’t always used the way the phone company intends.
One morning last summer, Glenn Helwig threw his then-wife to the floor of their bedroom in Corpus Christi, Texas, she alleged in police reports. She packed her 1995 Hyundai and drove to a friend’s home, she recalled recently. She didn’t expect him to find her.