http://www.news14charlotte.com/content/local_news/?ArID=72803&SecID=2":
Tim Boyum
"The ankle bracelet, which is similar to what people wear when they are on house arrest, automatically tests the body's sweat every hour.
A new high-tech tool might prevent DWI offenders from repeating their crime. A special ankle bracelet allows police to monitor their blood-alcohol level 24 hours a day. More than 200 law enforcement agencies in 20 states already use the ankle bracelet, and Mecklenburg County has funding in place to buy the new technology.
"This is the first offender or patient bracelet that tests (offenders) consistently," said Don White of Alcohol Monitoring Systems. "We're able to test the molecules of ethanol that are coming off the ankle, because 5 percent of everything you drink comes out your body."
