In a shocking ruling, a Bangkok court sentenced Sararat Rangsiwuthaporn to death for her involvement in the cyanide poisoning deaths of 14 friends, marking a pivotal moment in Thailand’s legal landscape regarding personal accountability and the use of toxic substances.
Thailand's Cyanide Murder Case: A Woman Sentenced to Death for Poisoning Friends

Thailand's Cyanide Murder Case: A Woman Sentenced to Death for Poisoning Friends
Thai woman Sararat Rangsiwuthaporn receives a death sentence for the cyanide murders of her friends, igniting conversations on justice and accountability.
A Thai woman has been sentenced to death for the horrific murders of her friends using cyanide in what authorities have dubbed the “cyanide murder case.” Sararat Rangsiwuthaporn, 36, was found guilty by a Bangkok court of poisoning a wealthy friend during a trip where her friend later died after consuming food and drink laced with the toxic substance. Following the incident, the victim's family contested the initial claim of natural causes, and an autopsy revealed cyanide in her system.
Police arrested Sararat in April 2023 after uncovering her alleged history of targeting friends for their valuables, which she needed to sustain her gambling addiction. Investigators noted that she had been under scrutiny for similar incidents dating back to 2015, with at least one victim managing to survive the ordeal.
The incident that led to Sararat's conviction occurred when she traveled with Siriporn Khanwong, 32, to Ratchaburi province for a spiritual ritual. Following their meal together, Siriporn collapsed and died, and the investigation revealed that Sararat showed no concern for her friend's well-being. Items belonging to Siriporn, including her phone and belongings, were reported missing shortly after her death.
Siriporn's mother expressed palpable grief and relief outside the courtroom, stating, "You got justice, my child," while holding a photo of her daughter. Meanwhile, Sararat, labeled "Am Cyanide" by local media, maintained her innocence during the hearing.
Her former husband, a police officer, and her legal counsel also received prison sentences for attempting to conceal evidence related to Sararat's actions, both insisting on their innocence as well. The court has ordered Sararat to pay two million baht (approximately $57,667) in compensatory damages to Siriporn's family.
Medical experts have indicated that cyanide is a dangerous poison that can lead to severe health consequences, including heart failure and death within moments, especially when consumed in high doses. Its regulation in Thailand remains strict, with unauthorized possession leading to significant prison sentences.
This case has sparked a broader discussion around the implications of justice in cases of violent crime and the impact of personal vices on lethal outcomes.