Tag Archives: John Evander Couey

Accused Murderer Should Reject Prosecutor’s Offer

Accused of murder, Gustavo Enamorado Duban should not, under any condition, accept an offer made to him by prosecutors in Coral Springs, Fla. Why? Because it involves a polygraph exam.

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Prosecutors, according to this article — and the video above — made a rare high-stakes offer to Duban, a man accused of killing a prominent Coral Springs, Fla., businessman. If he agrees to take a polygraph exam and passes, the charges will be dropped, and, if he fails the polygraph, the results of the polygraph exam will be used in court against him.

One needs only look at what happened during the investigation of the Jessica Lunsford kidnapping/murder case in Florida in 2005 to understand the perils associated with the offer.

In that case, Mark Lunsford, the father of nine-year-old Jessica, was subjected to two polygraph exams, one conducted by the Florida Department of Law Enforcement and the the other by the FBI. Trouble arose when one examiner found he was being “deceptive” while the other termed the exam results “inconclusive.”  It was, however, the findings of a non-polygraph exam of the girl’s father that were proven accurate after John Evander Couey, a 46-year-old convicted sex offender, confessed to abducting the nine-year-old girl from her grandparents’ Homosassa, Fla., home in the middle of the night Feb. 23, 2005, and then burying her alive.

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If I was innocent and in Duban’s position, I would not accept the polygraph exam offer; instead, I would demand the opportunity to sit for the type of non-polygraph exam that was administered to Mark Lunsford. Details about the non-polygraph technology used to conduct that exam — and thousands of others — appear inside the pages of my second nonfiction book, The Clapper Memo.

UPDATE 9/2/2014 at 9:10 a.m. Central:  ABC News’ Good Morning America is covering the story. See Polygraph Test Could Free Florida Murder Suspect. Not surprisingly, they don’t offer the angle I did in this story.

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