4. Ricin
If you watched Breaking Bad, you’ll know what we are talking about here. In one of the episodes of this TV show, main character Walter White uses ricin to try and kill one of his rivals. The main premise was that ricin is hardly traceable, yet effective way of killing someone. Also, you would only need a small dose, not larger than a few grains of salt. Is that the truth? Not quite. Although there is no clinical test that can point to ricin, medical examiners have methods like DNA amplification that can reveal when someone is poisoned by it. Still, they would have to know what to look for. Symptoms of ricin poisoning are difficult breathing, sweating and fever alongside pulmonary edema. The death occurs rapidly in cases of inhalation. Let’s see the top three on the list of untraceable drugs and poisons that cause death in humans.
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