A pregnant Thai woman arrested on suspicion of murdering her friend with cyanide has now been charged with at least 13 counts of premeditated murder, police have confirmed.
Sararat Rangsiwuthaporn was initially arrested last week for the alleged murder of Siriporn Kanwong, Deputy National Police Commissioner Gen. Surachate Hakparn told CNN.
Police have requested arrest warrants in 14 cases of alleged murder involving Sararat, with 13 approved by the court so far and one still pending, Surachate said in a press conference on Wednesday.
In the potentially linked cases currently under investigation by police, all the victims ate or drank with Sararat in the run up to their deaths. All 14 of the deceased – as well as one survivor – were poisoned with cyanide, Surachate said.
Sararat, who was remanded in custody last week, has denied the accusations, National Police Chief Gen. Damrongsak Kittiprapas added at the same press conference.
Sararat Rangsiwuthaporn appeared in Bangkok's criminal court after her arrest Tuesday, where she was taken into police custody.
Sararat Rangsiwuthaporn appeared in Bangkok's criminal court after her arrest Tuesday, where she was taken into police custody. Daily News/Reuters
Police are also investigating Sararat’s partner Witoon Rangsiwuthaporn, a senior police official who held the rank of Lt. Colonel.
Earlier this week, Witoon was fired from his job as a local deputy police chief. He is also facing charges of fraud and embezzlement related to the alleged murders, Surachate confirmed.
The couple are “divorced on paper” but have maintained a relationship, Surachate said, adding that Witoon has denied any knowledge of the murders.
Police have also confirmed that Sararat is pregnant.
Speaking to CNN on Thursday, Surachate said Witoon was willing to work with investigators and is set to visit his partner in prison later in the day.
“Let’s see how much he can do or if he is really sincere,” Surachate said.
Police believe the killings may have had a financial motive, with victims allegedly lending Sararat money in the run up to their deaths and investigators probing her transactions and debts as a result.
Consumer debt is a massive problem in Thailand, accounting for nearly 90% of the country’s GDP as of 2022, according to the Bank of Thailand.
The investigation into so many murders has transfixed Thailand with local media providing daily updates.Serial murders are relatively rare and the vast majority of perpetrators of such crimes are men.
In the United States, the FBI defines serial murder as two or more killings separated by a span of time.
Fewer than one percent of homicides during a given year are committed by serial killers, the FBI says.
Thai police say they are investigating whether a woman arrested this week on suspicion of murdering her friend with cyanide may have done the same to at least 12 other victims in a spate of killings that has transfixed the kingdom.
The suspect, who police have identified only by the name Am, was arrested on Tuesday for the alleged murder of Siriporn Kanwong, Deputy National Police Commissioner Gen. Surachate Hakparn told CNN.
Siriporn was last seen on CCTV footage with Am before she fainted and died, and an autopsy later found traces of cyanide in her system, Surachate said.
Am’s lawyer, Thannicha Akesuwannawat, told local media Thairath TV on Wednesday that her client denies any involvement in Siriporn’s death.
“She has [an] explanation, with evidence in hand,” Thannicha said, declining to elaborate further citing legal reasons.
Investigators are now looking into at least 12 other suspected murder cases where the victims had links to Am and similar causes of death, said Surachate. CNN has attempted to reach Am’s lawyer for a response to those allegations.
Surachate said one woman who was allegedly targeted by Am came forward to authorities after news of her arrest broke.
The individual told police she was poisoned in 2020 but was able to make it to a hospital where doctors resuscitated her and also found cyanide in her system, he said.
Surachate said the witness was too afraid to file a case against Am at the time because the accused is the wife of a senior police officer, but she gained courage after hearing about the other alleged cases.
In the potentially linked cases currently being investigated by police, all the victims ate or drank with Am in the run up to their deaths.
“After they ate together or drank something together, later they were dead,” Surachate said. Investigators believe the killings may have had a financial motive, primarily debts. “She owed money to many people,” Surachate said.
Press photos showed Am wearing a face mask while being led into court by police in Bangkok on Wednesday. She was remanded in custody while police investigate the allegations.
The case has generated huge local media interest this week in Thailand and has prompted others to come forward to authorities with their suspicion that their loved ones may also be victims.