The monograph comprehensively explores the theoretical and practical aspects of proof and forensic science, in particular the general forensic problems of proof with a lack of evidence| features of proving in criminal cases on theft, murder, extortion, bribery, as well as on crimes that have recently been criminalized and criminally banned - the legalization (laundering) of illegally obtained funds in the field of high technologies related to illegal transplantology and terrorism. The author examines the method of committing a crime, its qualitative characteristics, its place in the structure of the crime, its significance in the mechanism of criminal law prohibition and in the process of forming evidence from the standpoint of criminal law and forensic science| analyzes the factors that complicate criminal prosecution, proposes measures to compensate for the lack of evidence | formulates the most optimal rules of proof, as well as a program for evaluating evidence that contributes to the most rational solution of the problems of legal proceedings.The book is intended for teachers, researchers, graduate students and students of law schools (faculties), as well as judges, prosecutors, employees of bodies of preliminary investigation and inquiry.