A man convicted of sexually assaulting and killing a teenager 10 years ago was executed in Florida's electric chair Wednesday, hours after the U.S. Supreme Court rejected his last appeal.

Roy Allen Harich, 32, died at 5:06 a.m., MDT, after the executioner threw the switch on the electric chair at Florida State Prison.Harich was condemned for the June 26, 1981, death of Carlene Gayle Kelly, 18, of High Springs.