Capital Matters is a recurring series by Jordan Steiker that covers federal constitutional regulation of the death penalty ...

Reginald Jackson has been ruled intellectually disabled and therefore ineligible for the death penalty, upholding a ...

The US Supreme Court on Tuesday, December 10, heard oral argument in Hamm vs. Smith, a capital case that could reshape how courts evaluate intellectual disability under Atkins v. Virginia and its ...

Disability rights advocates warn that a pending Supreme Court of the United States case could reshape how intellectual ...

The bizarre oral argument in Hamm v. Smith shows how decades of case law rooted in science is now under siege at the Supreme Court.

Seth P. Waxman, Smith’s lawyer, told the justices that the lower federal courts in his client’s case correctly applied Alabama law, which allows judges to consider “evidence of intellectual ...

Joseph Clifton Smith, convicted of capital murder in Alabama and sentenced to death, has taken five IQ tests as an adult. His scores range from 72 to 78.

Decades ago, the Supreme Court said inmates who are intellectually disabled can't be executed. Now, it weighs the use of IQ tests in close calls.

Researchers from the Centers for Disease Control and Prevention are offering up a new estimate of the number of American children with intellectual disability. In a study looking at 8-year-olds in ...

Urea cycle disorders (UCDs) comprise deficiencies in any of the six enzymes and two transport proteins involved in urea biosynthesis. The specific disorders are: n-acetylglutamate synthase deficiency, ...

Involvement of different brain dystrophin isoforms was assessed in 3 groups of young males diagnosed with DMD. On their first assessment, 43 of the 70 patients with DMD had normal intelligence ...