Lie Detector Checks

In this experiment we used a polygraph, which examined heart rate, respiratory rate, and electrodermal activity (EDA), and tested its ability to perform as a reliable lie detector. Physiology data such as skin conductance, blood pressure, heart rate, and respiration can be utilized in polygraph tests (Lewis and Cuppari 2009). A polygraph measures the changes in physiological measures, or arousal, to a set of questions given to the participant. There are two main types of questions utilized during a polygraph: The Control Questions Test (CQT) and the Guilty Knowledge Test (GKT). The CQT usually has a subject, in most cases a suspect in a case or criminal, is asked two sets of questions, control questions and relevant questions. Within criminal

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P4. Describe a typical method of searching people conducted by a security worker in the public services.

This is where checking out someone’s background, especially when that someone seems to pose a risk or harm to you and the people you held dear, can be very helpful. In the endeavor of sussing out any suspicious person’s historical background, records can play a very important role. Among all records, documents pertaining to an individual’s run-ins with the

The Federal Bureau of Investigation hires an agent to act as the lead investigators in the United States. The duty of an FBI is to guard the United States from Terrorists and Foreign intelligence threats, also to provide leadership and criminal justice services. The FBI has to develop effective work plans. They need to arrange resources to accomplish goals. The FBI has an investigative partnership with cops, sheriffs, etc. The FBI investigates spies, hackers, pedophiles, mobsters, gang leaders and serial killers, they investigate everything that can be a threat to the country or other people. FBI agent is able to carry firearms and most of the time are only called when they need to find a high profile criminal. Agents might sometimes run into dangerous situations. They have to travel extensively, they’re lifestyles are very sudden they can be on the go at any time. FBI agent are in charge of investigating more than 200 different categories of violations in the federal

Private security firms include private agencies security personnel, which is privately employed by the firm as part or full-time employees. The roles and responsibilities of these officers are patrolling and providing protection at public and private housing complexes, office complexes, malls, gaming officers and investigators, loss prevention specialists, patrol services, and armored patrol services. Different from police agencies the private security agencies focus on more than crime they deal with property, consumer satisfaction, and personal assets. The private police organizations can ban people from establishments, fire employees, and pursue prosecution in criminal courts. Also included in private security is the red light and speed enforced cameras designed to ticket people caught speeding and running red lights Walker & Katz, (2008).

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Franklin Wayne Harrod Jr is currently a missing person’s case in the NamUs database. According to the NamUs database (2014), Franklin Wayne Harrod Jr disappeared on July 28, 1997, he was between the ages of twenty four and twenty five at time of his disappearance. He disappeared from Butler County, Kansas. After obtaining the basic demographics for Franklin Harrod, I googled his case in order to get a summary of what led to his disappearance. I found websites such as The Charlie Project, The Doe Network, and FindLaw, that basically all gave the similar summary of the

As an FBI agent your are responsible for many things, mainly investigating over 200 different violations like Investigate bank robberies, Terrorism, Corruption, Cybercrime, Organized crime, and Espionage and drug trafficking. Now the reason why I

My first reason for these tests not being accurate is because movement could possibly change your results. Have you ever heard someone tell the other person to “stay still” during a polygraph (lie detector) test? Well, this is why. Apparently, if you make the tiniest bit of movement, it could change your results completely! (Shocking!) Why trust a test that has results change as you move? Also, if you move, there is not a guarantee that the results will change. That means, they can’t always just take the opposite of your results when you move.

A polygraph is an instrument created to measure and record the reactions people make. In others words a detector the shows weather someone is telling the truth or not. The polygraph testing is used by many “agencies and companies authorized under the Employee Polygraph Protection Act of 1988”. The author michlle Briar says that the “records of a polygraph examination are interpreted by inexpert who will normally give an opinion as to whether there was an indicator that the person being examine was deceptive to certain questions.

To this day I do not know what I was being deceptive about and do not recall the question that may have triggered deception. During the Polygraph they kept saying I was not being honest and is there anything that someone doesn’t know about me that I am not telling. Hence why I even mentioned the jacket as a possibility to the proposed deception.

Credibility- Now, I would like to consider myself an expert lie detector, but apparently binge-watching 12 seasons of Criminal Minds in 3 months does not give me those qualifications. So to better inform and assist you, my lovely audience, I did some research, mostly utilizing online materials.

The polygraph test is one of the most controversial criminal investigative techniques of all-time. From the initial years of the invention to today, there is not a consensus about the investigative tool. That is why there are many people for and against the administration of polygraph tests. Therefore, in order to develop a clear picture of the polygraph test the history of the test must be established. Although, there are many sources that have well documented concerns about the invention, the polygraph test is still around after almost 80 years.