Lying is very common in everyday life amongst the people, and even more so during the forensic procedures in which humans are trying to avoid responsibility. The outcome of the behaviour can be sanction by the law which is the main trigger for lying. The studies in the field of lying detection is the field of interest for many scientists for many centuries. Lying detection is directed primary on verbal aspect of the offender and the witness to discover possible attentional fraud and includes evaluation of different verbal, non-verbal and physical indicators of lying. The paper covers insights about lies and emotional processes during lying, as well as the possibilities of detecting lies during criminal proceedings and victim interrogations, witnesses and other suspects. Also, the historical development has been displayed and the information about various methods and techniques used in today's detection practice – verbal and non-verbal methods, and psychological instruments designed to estimate and evaluate the lie. Further development in this field is necessary as well as the development of measuring instrument that can detect lie. Researches in this field indicates a need for constant development of experts in this profession, especially the ones involved in criminal forensic procedures. Also, there is a need for continuous education about various techniques, instruments and methods for detecting lies, as well as their implementation in everyday practice.