SPRINGFIELD — When Kayleigh White opened a plain white envelope stamped “UNDUE” in big, bold blue letters late last year, she threw it away.
The 27-year-old Rochelle resident assumed it was junk mail, or maybe a scam. The letter claimed that her medical debt from 2018, totaling over $1,000, had been erased.
“I didn’t believe it,” she said. “I was like, ‘Who just does that?’”…