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.
Even without the presence of blood, dark red urine could be an ominous sign. The classification of diseases collectively known as porphyria can present with dark urine, abdominal pain, photosensitive rashes, or neuropsychiatric complaints. The disease is difficult to detect because it is rare.