The 5th Circuit ruling in Matamoros v. Stephens is available in Adobe .pdf format.
"Mexican Mafia gang member on death row for 1990 Houston slaying wins federal court review," is AP coverage, via the Republic.
A Harris County man on Texas death row for 20 years has won a federal court appeal that allows him to pursue claims he's mentally impaired and ineligible for the death penalty.
The 5th U.S. Circuit Court of Appeals ruled Tuesday in the case of 50-year-old John Reyes Matamoros.
Matamoros' lawyers contended he deserved a court review because of trial testimony from a Fort Worth psychiatrist whose methodology and credibility have been questioned in other capital cases.
As I often point out, mental retardation is now generally referred to as a developmental or intellectual disability. Because it has a specific meaning with respect to capital cases, I continue to use the older term on the website. More on Atkins v. Virginia, the Supreme Court's 2002 ruling banning the execution of those with mental retardation, is via Oyez.