This episode appears to be based on the 2004 Rachelle Waterman case.
Robert Stanton has played four different roles over the course of the series:
- Episode 2.2 The Wages of Love (1991) - Jed Knox.
- Episode 8.4 Harvest (1997) - Jacob Sutter.
- Episode 13.19 Seer (2003) - Tim Grayson.
- Episode 17.2 Avatar (2006) - Douglas Preston.
Devin Ratray (Richard Elam) previously played the role of Mitchell Pauley in episode 5.14, Performance (1995).