Texas EquuSearch founder Tim Miller is trying to make sure Clyde Hedrick, the man he thinks killed his daughter, remains under an intense parole supervision program.
The Netflix documentary Crime Scene: The Texas Killing Fields looks at the notorious location where more than 30 bodies have been found since the 1970s.
Serial killer William Reece was charged in the murder of Kelli Cox. A new Netflix series, 'Crime Scene: The Texas Killing Fields' covers the Cox case and others.