SCRAM ankle monitors detect DWI offenders' alcohol use

St. Louis, MO

Special ankle bracelets monitor alcohol levels in sweat of DWI offenders.

People involved in alcohol-related criminal cases may be sweating over the newest monitoring device that judges are strapping to their ankles.

But that's what officials want, since the machine constantly tests its wearer's perspiration for trace levels of alcohol.

Court and probation officials across the St. Louis area are embracing the monitor, known as a SCRAM device, as a way to keep better tabs on people on bond or probation. More >>