Forensic scientists are able to use ink chromatography to solve crimes by matching documents or stains found at a crime scene to the marker or pen that belongs to a suspect. Forensic scientists analyze the unknown ink and compare it to writing utensils collected from possible suspects.
Symptoms of Variegate Porphyria The hepatic porphyrias primarily affect the nervous system, resulting in abdominal pain, vomiting, acute neuropathy, seizures, and mental disturbances, including hallucinations, depression, anxiety, and paranoia.
David H. Dolphin, a biochemist at the University of British Columbia in Vancouver, Canada, suggested that the effects of the porphyria diseases, which involve a malfunctioning in the body's manufacture of crucial chemicals, could have left victims grotesquely disfigured, turned them into creatures of the night and caused them to suck the blood of their brothers and sisters.