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Yes, there are a few methods which have been used to cheat on polygraph tests. The most common method is the 'Tack in the Shoe', where the person being polygraphed places a tack in their shoe, and whenever asked a question, they could step their heel on the tack and then answer the question falsely, as the lie is masked by the pain of the tack inside the person's heel.
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Are polygraphs admissible in the Colorado court system?
no
Were Polygraphs used in the Anastasia trial of l938 in Germany?
No, the 'lie detector' (polygraph) was not yet invented.
Google The FBI uses polygraphs to eliminate suspects?
The selective use of polygraphs by corrupt FBI officials must stop! No one is above the law, including FBI Director Robert Mueller, who conspired to cover up the Pan Am Flight 103 incident. Google "Quadri-Track ZCT"
What does polygram mean?
A PolyGram is a figure that consists of many stripes. These stripes are known as lines, and polygraphs are used in math and technology.
Are polygraphs submittal in a civil court cases?
Most states do not accept psychophysiological veracity (PV) examination (polygraph) results in a civil court cases
Are polygraphs admissable in court?
Although the use of polygraph results as evidence in court is regularly challenged - it IS a useful tool and is used in the preliminary stage of many criminal investigations.
Would cops use a Lie Detector Test on a 15 year old kid for theft?
Polygraphs are seldom if ever used on juveniles who are suspected of committing petty offenses.
When is a polygraph test necessary?
Legally, polygraphs are generally not admissible in criminal trials, and are therefore rarely, if ever, used. In general, polygraphs are not considered reliable enough to be scientific evidence. However, people will often volunteer to take a polygraph as part of a criminal investigation. Oftentimes, private companies and government agencies require polygraph examinations as part of the hiring and continuing employment process. In this case, a polygraph would be necessary to get/retain the job.
Can you ask the state police to administer a poloygragh test if you have been accused of something?
You can ask but they do not have to administer one, Polygraphs are still not proven to be 100% accurate and therefore do not always hold up in court.
Can anger cause to fail polygraphs?
Sure, any emotional reaction ( How dare you ask such ____ questions! can effect the chart readings, skin friction, body temperature- Heart rate, etc- all of which are multiple graphed ( hence the term polygraph).
Are some forensic tests by their nature NOT conclusive?
Polygraphs are used as an interrogation tool with criminal suspects or candidates for sensitive public or private sector employment. The use and effectiveness of the polygraph is controversial, with the manner of its use and its validity subject to increasing criticism.
Why cant take a polygraph test to help prove my innocents in my case that's been going on now over 2 years for a AGG- Menasing?
polygraphs aren't scientifically proven to be accurate so aren't accepted as evidence in court
