Disability advocates are speaking out as the U.S. Supreme Court prepares to take on a case that hinges on whether a diagnosis of intellectual disability should be based on more than an IQ score. The ...

Intellectual disability is a disorder marked by below-average intellectual function and a lack of skills necessary for independent daily living. The condition begins in the developmental period. The ...

CANTON – A man at the center of South Dakota's most high-profile pending death penalty case is now fighting to take the death penalty off the table in his trial, based on whether he is deemed to have ...

SACRAMENTO — More people convicted of murder may receive death penalty exemptions under a measure California lawmakers approved Friday that would expand whom the courts can classify as intellectually ...

WASHINGTON — The Supreme Court tightened its rules on capital punishment again Tuesday, ruling that Texas — the nation's leader in executions — cannot use a decades-old definition of intellectual ...

A new version of the Diagnostic and Statistical Manual of Mental Disorders released this month includes changes to the definitions of both autism and intellectual disability that experts say will ...

The major news out of Moore v. Texas, the Supreme Court’s death-penalty decision announced Tuesday, is that all eight of the current justices rejected a crude list of “factors” the Texas courts had ...

Byron Black was sentenced to death for three 1998 murders. His attorneys have long argued his intellectual disabilities should bar him from execution. A 2021 state law allows courts to review death ...

The estimated prevalence of autism among 8-year-olds in a New Jersey study more than tripled during a 6-year period, including a fivefold increase in children with autism who do not have a ...