Note: If you are reading this infromation because you plan to use it on your spouse or in-laws, please leave. This guide if for the use of writers or students only. If you murder someone, you will be caught.
AKA: Crocus, Meadow Saffron
Symptoms: Burning in the mouth and throat, fever, vomiting, diarrhea, abdominal pain and kidney failure. These symptoms may set in as many as 24 hours after the exposure. Onset of multiple-system organ failure may occur within 24 to 72 hours. This includes hypovolemic shock due to extreme vascular damage and fluid loss through the GI tract, which may result in death.
Fast or Slow Acting: 2-5 hours after ingested.
How can you ingest it? It's made into medication used for Gout and other ailments. Certain common inhibitors of CYP3A4 and/or P-gp, including grapefruit juice, may increase the risk of colchicine toxicity.
How can you make it so the victim won't notice it? You can put it in with food or drink but they will probably feel the burning in the mouth or throat. Pill form is best.
What would the victim at the crime scene look like? Colchicine poisoning resembles arsenic poisoning. There is no antidote.
What would the autopsy find? A case in which colchicine is detected in urine, serum, or plasma, as determined by a commercial laboratory.
Case study: Murderess Catherine Wilson is thought to have used it to poison a number of victims in the 19th century.