Smith was sentenced to death after being convicted of the 1991 abduction and slaying of 22-year-old Sharma Ruth Johnson.
Despite its opposition against the federal death penalty, the Biden administration asked the Supreme Court to uphold the verdict of the jury.
Richard Branson, the billionaire founder of Virgin Group, is leading the campaign that aims to eradicate capital punishment across the globe.
The 61-year-old died from an injection of pentobarbital at the state prison in Bonne Terre.
The parole board voted 3-2 to reject a clemency request for death row inmate John Marion Grant, whose scheduled execution date is October 28, 2021.
"Mr. Johnson's execution would be a grave act of injustice," Representatives Cori Bush and Emanuel Cleaver wrote in a letter to the Missouri Governor.
Johnson, 61, is scheduled to die by lethal injection at the state prison in Bonne Terre on October 5.
Grant's execution would be Oklahoma's first since capital punishment was paused in 2015 after a series of botched and flawed executions.
Advocates are urging Missouri Gov. Mike Parson to halt Johnson's execution, citing the Eighth Amendment's prohibition on executing the intellectually disabled.
Grant, 60, would become the first inmate put to death since the process in the state was halted following a series of botched and flawed executions.
The Oklahoma Pardon and Parole Board voted to recommend that Jones' death sentence be commuted.
Samuel Howard will be resentenced after the Nevada Supreme Court said the vacation of a prior conviction for a violent crime ruled out the death penalty.
A federal judge has agreed to consider whether Oklahoma's three-drug lethal injection violates the Eighth Amendment ban on cruel and unusual punishment.
The Alabama Department of Corrections indicated it is waiting to ensure the nitrogen hypoxia system is ready before writing procedures for how it will be used.
"State-sanctioned murder is not justice," said Pressley, as she called on the president to commute the sentences of all inmates on federal death row.
Porter was freed in 1999 after another man confessed to the double murder for which he was sent to death row, prompting the governor to halt executions.
The state acknowledged the pentobarbital would expire up to 45 days after being compounded into an injectable fluid, rather than the 90 days it originally said.
The Missouri Supreme Court set Ernest Lee Johnson's execution for October 5 at the state prison in Bonne Terre.
The 45-year-old, who has confessed to the killings, is scheduled to die by lethal injection on June 30. Texas postponed his execution last year because of the pandemic.
Attorneys representing Zane Michael Floyd asked a judge to allow enough time to investigate the effects of the untested sequence of drugs that prison officials want to use to execute him.
Texas officials have been asked to grant a 30-day stay of execution for John Hummel, whose execution is scheduled for June 30.
The state Supreme Court ruled that Brad Sigmon and Freddie Owens have a statutory right to choose the manner of their execution.
Brad Sigmon and Freddie Owens are scheduled to die in South Carolina's 109-year-old electric chair, in what would be the state's first executions in a decade.
Pike's attorneys have asked the Tennessee Supreme Court to recommend that Gov. Bill Lee commute her sentence to life.
The Tennessee Attorney General's Office has asked the state Supreme Court to set an execution date for 45-year-old Pike.
Execution by nitrogen hypoxia is authorized under Alabama law, but the state has never put it into practice.
Payne has always maintained his innocence and his attorneys say he can't be executed because he is intellectually disabled.