THE USE OF TRIGONOMETRY IN BLOOD STAIN PATTERN

Abstract

A case study on blood stains pattern or blood spatter is analysed. Though trigonometry play a vital role in blood stain pattern during crime.  In this paper we analyze the blood spatter by using Rossmo’s formula to find angle of impact via trigonometry. The recognition and analysis of blood spatter can yield useful crime investigative information. The most probable scenario resulting in blood spatter on walls and floor can be reconstructed during crime using trigonometric analysis.  Forensic science considers physical evidences relating to criminal activity. Some numerical examples were given to show the effectiveness of the proposed theory.