Overview

• The Nassau County Police Department’s homicide squad has opened a formal investigation into the incident at Nassau Open MRI.
• Police say Keith McAllister, 61, entered an active MRI room on July 16 while wearing a 20-pound metal chain, which was violently drawn into the scanner.
• McAllister suffered a medical episode, was rushed to a local hospital in critical condition, and died the following day.
• Nassau Open MRI has declined to comment on the ongoing probe as investigators examine whether safety checks were properly enforced.
• Medical authorities emphasize that MRI magnets exert immense force and require the removal of all metal objects to prevent life-threatening accidents.