Here we present a new method to swap from hands, clothes, cars of suspects who set up or use Molotov cocktails, have contact with drugs or psychotropic substances, set up or use explosive materials, or to swap from any kind of surfaces which were exposed to such kind of materials. This method is called “YUP Svap Mendil*, and is used for the first time in our country. Besides, YUP Svap Mendil can be used to gather evidence from crime scenes after explosion. This evidence using YUP Svap Mendil will be sent to laboratories which perform a chromatographic analysis, one of the most advanced technical analysis in forensic laboratories. The aim of this work is to present a new approach of revealing the connection between crime, crime scene and criminal. This work is important for crime scene investigation teams gathering evidence, and contributes to resolve events correctly. Some examples of chromatographic analysis results of YUP Svap Mendil, designed and improved by chemical analysis specialists in JKDB laboratory, has exhibited.