Accused serial killer Billy Chemirmir looks back during his retrial on April 25, 2022, at Frank Crowley Courts Building in Dallas. A man who has been charged with killing 22 women in the Dallas area is set to go on trial in the death of an 87-year-old woman. Billy Chemirmir's capital murder trial in the death of Mary Brooks is scheduled to begin Monday, Oct. 3, 2022, in Dallas. (Shafkat Anowar/The Dallas Morning News via AP, Pool, File)