A Routine Execution in Texas.

Carlos DeLuna, who was executed in 1989 by the state of Texas, was almost certainly wrongly convicted of stabbing a young woman to death with a knife in a gas station robbery in Corpus Christi. Carlos Hernandez, who died in a Texas prison while serving time for stabbing someone else, , almost certainly killed the young woman and repeatedly told others that he had committed the murder. This case is the subject of an extraordinary project at Columbia Law School, which this week released a book-length account -- called ''Los Tocayos Carlos,'' or the namesake Carlos -- detailing the errors in the investigation and prosecution of Mr. DeLuna from the moment of his arrest. [ABSTRACT FROM AUTHOR]