Black will become the 28th inmate put to death in the United States this year, a 10-year high, with at least nine more executions scheduled.Start the day smarter. Get all the news you need in your inbox each morning.

Byron Black, 69, is set to die by lethal injection despite an attempt by his lawyers to have his defibrillator deactivated before the execution.

Tennessee plans to execute Byron Black without deactivating his defibrillator, raising concerns about potential shocks during the lethal injection.