A “vicious” killer and rapist was executed by the state of Alabama on Thursday, becoming the fourth death row inmate in the U.S. to be die by with nitrogen hypoxia.
Demetrius Terrence Frazier, 52, was convicted of the 1991 murder of 41-year-old Pauline Brown. Frazier raped and shot her after breaking into her Birmingham apartment, according to prosecutors.
