Overview
- His death was announced in a post on the band’s Instagram account and confirmed by 3 Doors Down’s management to dpa.
- Arnold disclosed in May 2025 that he had stage‑4 clear‑cell kidney cancer that had metastasized to his lungs and asked fans for prayers.
- The illness prompted the cancellation of the band’s planned U.S. summer tour in 2025 so he could focus on treatment.
- A founder and primary songwriter from Mississippi, he led 3 Doors Down to mainstream success with hits including “Kryptonite,” “When I’m Gone,” and “Here Without You.”
- The band said he wrote “Kryptonite” at age 15 during a math class, and news of his death drew tributes as his family requested privacy.