Mario Marquez had the adaptive skills of a 7 year-old. His trial counsel testified at a clemency hearing that he did not present any evidence of Mario’s mental retardation because of a legal flaw in the Texas death penalty statute. Marquez was executed on January 17, 1995.
Innocence
Nov 04, 2019
Death Penalty News and Developments for November 4 — November 10
Sentencing Data
Oct 07, 2019
Death Penalty News and Developments for October 7 — October 13
Intellectual Disability
Sep 30, 2019