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prueba del poligrafo machines which are also known as polygraphs are widely used today, especially in most Spanish cities like Malaga and Bilbao. This is because of a number of reasons. Here are they:

  1. Reliable

These polygraphs are very popular because these are reliable machines. These are very effective when it comes to seeking out the truth from a person. It is because of this that most people rely on polygraphs to settle disputes and to give justice to different crime cases. Indeed, there are a lot of possibilities that you can get from polygraphs. It’s not just about solving crimes, but it’s also used by even business owners to check if their employees are working properly.

  1. Follows a Systematic Process

The best thing about polygraphs is that it follows a systematic process. It does not just guess or base its conclusions on various factors. It is with this that it is the machine of choice of most crime investigators. It sees to it that the things that it concludes are based on facts. What happens during a polygraph test is that the vital signs of a person are checked by the machine. These vital signs are the heartbeat, blood pressure, sweat, and more. Polygraphs check these vital signs and if ever it deviates from the normal statistic, then there is a very high chance that the person is not telling the truth.

  1. Used by Professionals

One of the main reason why polygraphs are widely used is because most professional use it. It already has managed to make a name or reputation for itself. It is because of this that most people trust these polygraphs. Indeed, it’s a very convenient thing to just rely on a machine, instead of listening to what a human witness has to say.