 "Ricin: How a common plant toxin could turn into India’s next big bioweapon threat")
A seemingly innocuous plant is giving global security experts nightmares: the common castor bean. The toxin it produces, Ricin, is no longer just a laboratory curiosity but has emerged as a terrifying new bioweapon, posing a unique and chilling threat across the world.
In the latest, the Gujarat Anti-Terrorism Squad (ATS) has conducted new searches at the Hyderabad residence of the arrested doctor, Ahmed Mohiyuddin Saiyed, seizing an unidentified chemical and raw materials believed to be connected to the ongoing “ricin poison” terror plot investigation.
Dr Saiyed was one of three suspects arrested by the Gujarat ATS near Ahmedabad on November 9. All three individuals were held for allegedly conspiring to execute terrorist attacks across India using the highly lethal toxin, ricin.
Deadly mechanism and easy access
Ricin’s appeal to those with malicious intent lies in its unique combination of being profoundly deadly yet straightforward to acquire or manufacture.
As a cytotoxin, meaning a substance that has a direct toxic or destructive effect on cells, Ricin is extraordinarily deadly.
A speck no larger than a few grains of salt, if inhaled or injected, is enough to kill.
Once inside the body, this biochemical saboteur launches a fatal attack, shutting down the cell’s vital protein factories—the ribosomes. The process of ribosomal inactivation rapidly prevents essential body functions, leading inevitably to systematic organ failure and death.
Crucially, Ricin is not a complex, state-of-the-art chemical weapon.
It can be easily extracted from the widely available castor plant seeds using surprisingly rudimentary equipment. This ease of production drastically lowers the barrier to entry, making it dangerously accessible to individuals and smaller extremist groups seeking a mass-casualty agent.
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For security agencies, the difficulty in detecting and tracing its low-tech manufacture is a major vulnerability.
The possibility of terror organisations weaponising Ricin—whether deploying it as an invisible aerosol in crowded public spaces or using it to poison urban water supplies—explains why it is now considered one of the most serious and immediate bio-weapon threats.
The assassination of Bulgarian dissident journalist Georgi Markov in 1978 was carried out using ricin. Markov was murdered in London when a tiny ricin-filled pellet was injected into his leg using a modified umbrella, in what became known as the infamous “umbrella murder.” The attack was widely believed to have been orchestrated by the Bulgarian secret service with possible assistance from the KGB, the primary security and foreign intelligence agency of the Soviet Union from 1954 to 1991.
Another Bulgarian defector, Vladimir Kostov, survived a similar attempt in Paris the same year. Since then, there have been several ricin-related incidents, such as attempts to send ricin-laced letters to US presidents including Barack Obama and Donald Trump, but these were foiled before causing harm.
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