Uhrig told WOFL
radio in Sanford, Fl. his client passed the test. The test
is considered similar to a polygraph test in that it seeks to discover, in this case by measuring the level of stress in a person's voice, if that person is telling the truth.
Zimmerman: two criminal defence lawyers
Like the polygraph test, a voice stress test is not likely to be used in a court of law because there continues to be debate about how valid the results are. Given Sanford police has invested in the device, however - they cost thousands of dollars - it seems they believe the test provides them with something extra to go on when deciding if they should charge a suspect.
The product is not unique to Sanford police and its maker, the National Institute for Truth Verification (NITV)
claims that as of "early 2008...approximately 1,800 local, state and federal law enforcement agencies" had the product. The company says they have trained military personal in its usage and it is being used in "combat-conditions in military theaters worldwide."
Zimmerman, who is hiding out in an undisclosed location due to death threats
made against him and his family, now has two lawyers, his first is another Orlando defence lawyer, Craig Sonner. The Florida state attorney's office is investigating the case and has not said when results will be made public or if there will be charges brought against Zimmerman.