section_path: Other uses/Forensic and archaeological
section_name: Forensic and archaeological
paragraph_text: Forensic and archaeological
  
  Blood residue can help forensic investigators identify weapons, reconstruct a criminal action, and link suspects to the crime. Through bloodstain pattern analysis, forensic information can also be gained from the spatial distribution of bloodstains.
  
  Blood residue analysis is also a technique used in archeology.