THE METHODS OF EXTRACTING TRACE EVIDENCE IN CRIMINAL INVESTIGATION

Abstract

Among the different types of evidences collected at the crime scene, trace evidence is one among the essential concept of conducting crime scene investigation. This was in line with the principle “Every contact leaves a trace” and became known as Locard’s exchange principle and is the basis for all forensic science as we know it today. The researcher utilized the Qualitative Descriptive Method of research using Phenomenological research design on the methods of extracting trace evidences. Five(5) factors were identified and analyzed in the study; (1)Collection and preservation of blood, (2)Collection and preservation of saliva or semen, (3)Collection and preservation of urine, (4)Collection and Preservation of Body Fluids, (5)Collection and Preservation of Fingerprints. After evaluation and analysis conducted, it concluded that the method in analyzing Trace Evidence in Criminal Investigation still used the conventional method of extracting trace evidence and still admitted as valuable evidence in prosecuting the person of interest(POI). It was strongly recommended to provide a new technologies in Forensic Science to be priorities in all Crime Laboratory as to minimize delays in the process of trace evidences.