He worked on improving the efficiency of the polygraph the lie detector and conducted some 15, 000 tests with the instrument.
According to Capita, who dispute the phrase "lie detector test", "VRA analyses, in real time, changes in voice frequency" which are then assessed by "trained operators" to identify possible bogus claimants.
But CNN has learned that the inmate has failed a number of lie detector tests regarding the details -- described by some sources close to the investigation as vague -- of the plot.
This remains only a suspicion, however, because the results of these lie-detector tests (administered under circumstances unclear to Sutton Associates) cannot entirely be trusted.
Federal employees with secret clearance know that lie detector testing comes with the job.
One resident who spoke to WSMV said he doesn't believe a lie detector will fix all the town's problems, but he says it's a sign that Coopertown is moving in the right direction.
The company took a hit in 1988 when lie-detector tests were made illegal for employment purposes, so Argenbright, who says it made him "focus like a blowtorch, " threw himself into building the aviation services and security business.
There was no immediate comment from Condit's attorneys on Smith's latest statements, which came as police negotiated with Condit's lawyers over a lie detector test and DNA samples as part of the probe into Levy's disappearance.
The 16-minute video shows Mitchell, 24, taking a lie detector test.
BBC: Luke Mitchell's lie detector YouTube video prompts review
On April 20th India's Central Bureau of Investigation will seek the court's permission to subject Mr Raju to a lie-detector test, which will include mapping his brain.
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