Dixon v. Texas

How later courts describe this case

• according BOP interpretations of its own regulations controlling weight unless plainly erroneous or inconsistent with those regulations
• highly detailed remedial order entered after court found prison officials' in contempt for violating decree providing for exercise sessions
• constitutional issue in cases like this, where constitutional issue is preserved, is whether there is a reasonable likelihood that the jury applied the challenged instruction in a way that prevents the consideration of constitutionally relevant mitigating evidence
• low IQ score, standing alone, does not support a finding of mental retardation