Inmate Ronald Phillips was executed at the Southern Ohio Correctional Facility in Lucasville, Ohio, on Wednesday morning. Above, the prison's death chamber in 2005. Kiichiro Sato/AP hide caption
This combination of undated photos provided by the Arkansas Department of Correction shows death row inmates slated to die in April. Top row (from left): Jack Harold Jones Jr., Marcel Williams, Stacey E. Johnson, Ledell Lee. Bottom row (from left): Jason F. McGehee, Kenneth Williams, Don Davis and Bruce Earl Ward. Arkansas Department of Correction via AP hide caption
Zeinab Sekaanvand, 22, faces execution for allegedly killing her husband. Amnesty International believes she did not get a fair trial. Amnesty International hide caption
Death row inmate Kelly Renee Gissendaner is seen in an undated picture from the Georgia Department of Corrections. Following repeated delays, Georgia carried out its first execution of a woman in 70 years on Tuesday evening. Handout/Reuters/Landov hide caption
The firing squad execution chamber at the Utah State Prison in Draper, Utah, is shown in June 2010. Trent Nelson/AP hide caption
Utah Brings Back Firing Squad Executions; Witnesses Recall The Last One
Shang Aiyun (second left) and Li Sanren (second right) mourn at the grave of their son, Huugjilt, in Hohhot, China. Huugjilt was executed in 1996 for the rape and murder of a woman in a public toilet. He was cleared of the crime on Monday. Ren Junchuan/Xinhua /Landov hide caption
This 1587 facsimile of a copperplate engraving shows three beheadings as capital punishments decreed by King Henry VIII against Thomas More and two other Roman Catholics in 1535. Hulton Archive/Getty Images hide caption
This undated file photo provided by the Arizona Department of Corrections shows inmate Joseph Rudolph Wood. No one on the Supreme Court objected publicly when the justices voted to let Arizona proceed with the execution of Wood, who unsuccessfully sought information about the drugs that would be used to kill him. AP hide caption
A Florida Department of Law Enforcement photo of John Ruthell Henry, who was executed by lethal injection Wednesday evening. AP hide caption
A Texas judge halted the planned execution of Robert Campbell, saying his lawyers could not fairly prepare an ineligibility claim because the state had not provided them with relevant information. Campbell is mentally disabled. Texas Dept. of Criminal Justice/AP hide caption