title: Detection of powder particles at the crime scene.
mesh_terms: D001344:Autopsy; D003020:Clothing / Q000032:analysis; D003415:Crime; D005554:Forensic Medicine; D006801:Humans; D008722:Methods; D009573:Nitrites / Q000032:analysis; D010209:Paper; D012867:Skin / Q000473:pathology; D014948:Wounds, Gunshot
chemical_list: D009573:Nitrites