District E.D. Ok. Tenth Circuit Statutory Aggravating Factors 3592(c)(5) - Grave risk of death to additional persons 3592(c)(9) - Substantial planning and premeditation 3592(c)(16) - Multiple killings or attempted killings 848(n)(5) - Grave risk of death to additional persons 848(n)(8) - Substantial planning or premeditation Non-Statutory Aggravating Factors Future Dangerousness Victim impact Mental State 3591(a)(2)(A) 3591(a)(2)(B) 3591(a)(2)(C) 3591(a)(2)(D) 848(n)(1)(A) 848(n)(1)(B) 848(n)(1)(C) 848(n)(1)(D) Number of Victims One Notice of Intent File Document Barrett, Kenneth Eugene (E.D. Ok., 2005)