An Overview of Available Deception Techniques Over The World

Suspects lie because they want to hide their deeds/actions; these actions are illegal or against the law, and can prove to disrupt or destabilize the society of those responsible citizens. Hence he would cover the facts and would not tell the truth. The lie is expressed as it helps one to save his self-esteem or avoid punishment, helps to conceal the truth, and thereby helps to escape the punishment. The fear of being identified and punished is the issue of anticipation of the consequences of the act committed. Therefore, there is a need/we need an instrument that would assist the examiner to determine if the accused or suspect concerned is telling a truth or lie. There is a great demand for sophisticated and objective instrumentation that can assist in bringing some semblance of order into a country where crime has, over the years, escaped justice through several means of deception.

The current paper will talk about all the available and widely used techniques to detect the deception all over the world.