In the conditions of scientific and technical progress, updating of legislation and law enforcement practice, technical and forensic support for the investigation of criminal offenses in the activities of investigative and expert units acquires special importance, requiring the complexity of research, including, taking into account the experience of foreign countries, which thanks to innovations in the fight against crime is gradually moving away from traditional (conservative) methods and methods of detecting, collecting and fixing traces of criminal offenses, and the situation in which law enforcement agencies have been working for more than half a century is quite close to the one that has developed today in connection with the armed military aggression against Ukraine. The latest technologies in the investigation of criminal offenses were considered and the ways of implementation of the best foreign practices in the activity of investigative and expert units of Ukraine were proposed. Attention is drawn to the application of artificial intelligence as a systematized set of information technologies, aimed at performing sufficiently complex forensic tasks. The feasibility of using the method of Forensic intelligence in Ukraine as a means of obtaining orienting and evidentiary information, which consists in combining disparate pieces of information (forensic materials) during the investigation of multi-episode (serial) criminal offenses in order to obtain a complete picture of repeated acts, is scientifically argued and establishing connections between places of criminal offenses committed by the same criminal or group of persons based on VideoAnalytics. The work of the "The Next Step" program, which allows you to compare shoe prints from different places of the commission of a criminal offense based on external features based on the geolocation of the scene, is considered. The adoption of foreign experience in the part of involving a forensic expert in the inspection of the scene of the incident with the authorization to conduct such an investigative (search) action in individual cases without the presence of an investigator, and upon completion of which to draw up an inspection protocol or an expert opinion, with further referral to the authorized entity, is substantiated (investigator) in order to reduce the burden on pretrial investigation bodies of Ukraine

Recently, there has been increase in the number of property crimes in the world, including theft of external car parts. The number of thefts of catalytic converters installed in cars of various brands has sharply increased due to a significant increase in the value of precious metals such as platinum, palladium and rhodium. The reason for a sharp increase in the number of crimes of this particular car part is small amounts of the mentioned precious metals in the catalytic convertors. The purpose of this article is to consider this problem faced by law enforcement and legislative bodies in many countries and to propose certain ways for its solution. The article provides an overview of the situation with thefts of catalytic converters in the countries of the European Union, the United States and Israel. Detailed reasons for the occurrence of this problem are provided, as well as measures to protect a car from the theft are suggested.  Possible legislative and investigative-forensic actions to prevent this type of crime are considered: - law enforcement agencies investigating this type of crime should clearly understand that we are not talking about isolated, unrelated cases, but about well-planned actions of criminal groups. - increase in control over purchase and sale of metal carried out without accounting and corresponding documentation and amendments to the administrative procedural code also require strengthening. - applying a special forensic marking on parts, including on a catalytic converter, will allow to track its location and provide full information to law enforcement agencies from which vehicle it was stolen in the event of its theft. - inspection and examination by a forensic expert of vehicles and other physical evidence left by criminals at crime scenes for criminals’ fingerprints and DNA profiles will help to significantly increase the detection rate of this type of crime.

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In the modern world, technology continues to develop, this development is necessary for various industries, including police investigations. Thus, with the proper use of “smart” technologies, law enforcement agencies can predict, prevent and solve crimes. This paper discusses the process of obtaining and identifying important information that digital devices located at the crime scene can provide the police investigation. After analyzing which, the investigating authorities conducting pre-trial investigations can use it to identify and catch criminals, and in the future even to prevent crimes from happening. The issue of protecting privacy in the Internet era and the regulation at the legislative level of the work of investigative and law enforcement agencies in the field of digital technologies is touched upon. As a result of the study, the author concludes that with the advent and introduction of “smart” technologies, increasing the professionalism of police officers requires constant updating of knowledge and skills, the exchange of innovative developments with specialists from other countries, mastering the latest methods, mechanisms, and tools for conducting forensic research. Forensic investigators involved in crime scene investigations must be able to recognize and professionally retrieve hybrid (digital) devices to preserve possible information stored in them for further digital forensics. Key words: smart technologies, digital devices, digital forensics, privacy, police investigation, forensic intelligence.