In 150 words, write an introductory paragraph about the existing research regarding blood spatter analysis using the following points: Definition: Blood pattern analysis is a forensic practice that examines and interprets bloodstain patterns at crime scenes. Purpose: The goal is to determine the mechanisms that cause different bloodstain patterns (Macdonell, 2009; Bevel & Gardner, 2008; James, Kish & Sutton, 2005). Significance in Crime Scene Investigation Frequency of Bloodstains: Bloodstains are common in violent crimes, making their examination a critical component of crime scene investigation. Admissibility in Court: Evidence from blood pattern analysis has been accepted as expert testimony in court for over 150 years, as demonstrated in the case of Maine v Knight (1857). Implications of Bloodstain Pattern Analysis Determining Suspect or Victim Role: Analysis can indicate whether a suspect is the perpetrator or if a victim's blood was deposited innocently on clothing while trying to help (Taylor et al., 2016a)