The panel's final report, issued Sunday, detailed the failings of the government's investigation, saying it was based on confessions obtained by torture.
Iraq's application of the death penalty is particularly egregious, human rights advocates say, because convictions are often based on confessions induced by torture or the testimony of confidential informants.
Arrests are usually based on confessions, sometimes extracted by torture, rather than conventional detection.
In 2000, George Ryan, then the governor, halted executions in Illinois after courts found 13 death row inmates had been wrongfully convicted, some of them based on confessions that, some say, took place after torture by the police.
The cases were based on confessions.
Japan's judiciary boasts a 99% conviction rate, usually based on confessions, at times coerced.
Convictions here are more commonly based on confessions or the testimony of witnesses.
The charges are based on confessions from his guards who said that he personally paid them for attacks, but these allegations may well have been extracted by torture or the threat of it.
The four men Mr. Ryan pardoned outright had been condemned based on confessions elicited in a notorious Chicago police station that used torture to prod confessions from suspects.
Lisa Hajjar, author of Courting Conflict, says that most convictions in military courts are based on confessions.
