The real-life cops, portrayed by Jeffrey Dean Morgan and Sam Worthington in this movie, are seen in the October 22, 2011 episode of the investigative series 48 Hours (1988). The episode is called "The Killing Fields". It was re-broadcast on August 12, 2015 with the same title on 48 Hours (1988) on the Investigation Discovery channel.
Ami Canaan Mann later cast Sheryl Lee again in Jackie & Ryan (2014). Mann described Lee as an "incredible actress, totally underused" and said about her performance in 'Texas Killing Fields': "Sheryl Lee came in and blew me away."