The death of Chicago lottery winner Urooj Khan has led to a murder investigation after a post-mortem examination found he died of cyanide poisoning.
Urooj Khan, 46, died suddenly as he was about to collect almost $425,000, but his death was initially attributed to natural causes.
The local coroner reopened his case after a relative came forward.
Chicago police confirmed they were now investigating Khan’s death as a homicide.
“It’s pretty unusual,” Cook County Medical Examiner Stephen Cina said, commenting on the rarity of cyanide poisonings.
“I’ve had one, maybe two cases out of 4,500 autopsies I’ve done.”
Stephen Cina’s office found that Urooj Khan died shortly after ingesting a lethal dose of cyanide.
Urooj Khan said he had sworn off gambling after making a trip to Saudi Arabia for the Muslim hajj pilgrimage, local store employee Ashur Oshana told the Associated Press.
Urooj Khan, who owned several dry cleaning stores, was named as the lottery winner and presented with a giant cheque in an Illinois lottery ceremony days after purchasing his winning ticket.
“Winning the lottery means everything to me,” he said on June 26, adding that he would put some of his winnings into his business and donate money to a children’s hospital.
He opted to take his winnings in a lump sum of just over $600,000, which amounted to about $425,000 after taxes.
Urooj Khan’s winner’s cheque was issued on July 19, the day before he died, but was cashed on August 15.
If a lottery winner dies, the money typically goes to his or her estate, a spokesman for the Illinois lottery said.
At the time, the medical examiner’s office did not generally perform autopsies on those older than 45 unless the death was suspicious. A basic toxicology screening came back negative and Urooj Khan’s death was ruled a result of the narrowing and hardening of his arteries.
Deborah Blum, a poisons expert, said cyanide would taste strongly bitter but that a lethal dose could kill within five minutes.
The poison, Deborah Blum said, disrupts the ability of cells to transport oxygen around the body, causing a convulsive, violent death.
“It essentially kills you in this explosion of cell death,” she told AP.
“You feel like you’re suffocating.”
The medical examiner’s office reopened the case and tested for a range of chemicals after a relative asked authorities to look into the case further.
Stephen Cina refused to identify the relative.
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