Earlier this year, Melissa Sandberg, a civil investigator, began digging into the case on her podcast “Dog with a Bone.”

Arizona schools Superintendent Tom Horne is pushing back against Attorney General Kris Mayes as she threatens legal action over the state’s Empowerment Scholarship Account vouchers. Last week, Mayes said she is considering suing Horne regarding a policy change the department made in 2024 that automatically paid out ESA voucher purchases of less than $2,