Gen. Stat. § 1-lg (2009) (defining mental retarda tion); Del. Code Ann. tit. 11, §§ 4209(d)(3)(a), 4209(d)(3)(d)(2) (2007); Fla. Stat. Ann. § 921.137(1) (West 2006 & Supp. 2011); Idaho Code Ann. § 19-2515A(l)(a) (2004 & Supp. 2010); 725 Ill. Comp. Stat. Ann. 5/114-15(d) (West 2006); La. Code Crina. Proc. Ann. art. 905.5.1(H)(1) (2008 & Supp. 2011); Kan. Stat. Ann. § 214623(e) (Supp. 2010); Kan. Stat. Ann. § 76-12b01(d) (1997); N.C. Gen. Stat. § 15A-2005(a)(l)(a) (2009); Okla. Stat. Ann. tit. 21, § 701.10b(B) (West 2002 & Supp. 2010); S.D. Codified Laws § 23A-27A-26.1 (2004); Tenn. Code Ann. § 39-13-203(a)(3) (2010); Va. Code Ann. § 19.2-264.3:1.1(A) (2008 & Supp. 2010); Wash. Rev. Code. Ann. § 10.95.030(2)(e) (West 2002 & Supp. 2011); In re Brown, 457 F.3d 392, 396 (5th Cir. 2006) (<HOLDING>); Chase v. State, 873 So. 2d 1013, 1027-28
holding that the sentencing procedure was inadequate in failing to allow jury to give mitigating effect to defendants mental retardation and abusive background recognizing that texas courts have adopted the aamr definition of mental retardation providing that mental retardation must manifest before age of 18 years holding that the alj erred in finding that the claimants mental retardation did not manifest itself before age 22 where the claimant attended special education classes dropped out of school in ninth grade had trouble with reading writing and math and had frequent fights with other children holding that circumstantial evidence existed supporting manifestation of the claimants mental retardation before age 22 including the claimants lowgrade dropout and participation in prior special education classes holding that unless jury unanimously rejects defendants claim of mental retardation court shall impose life imprisonment