This episode appears to be based on two separate cases/incidents:
- Several acts of Anti-abortion violence in the United States.
- The 1987 Family Planning Associates attempted bombing of an abortion clinic in Santeeg, California, involving anti-abortion activist Cheryl Sullenger.
Kevin O'Rourke has portrayed six different characters over the course of the series:
- Episode 1.12 Life Choice (1991) - Kevin Donovan.
- Episode 5.7 Precious (1994) - Marty Willick.
- Episode 7.16 Turnaround (1997) - Deputy District Attorney Jerry Weiss
- Episode 10.7 Patsy (1999) - Detective O'Malley
- Episode 15.9 All in the Family (2004) - Granado's Attorney.
- Episode 16.11 Bible Story (2005) - Stan Malloy.
- Episode 19.22 The Drowned and the Saved (2009) - Amato's Attorney.
- Episode 20.13 Steel-Eyed Death (2010) - Amanda's Attorney.
Jamie Tirelli has portrayed four different characters over the course of the series:
- Episode 1.12 Life Choice (1991) - CSU Rivera.
- Episode 3.22 Benevolence (1993) - Chick Sullivan.
- Episode 4.17 Mayhem (1994) - Santana.
- Episode 10.17 Black, White and Blue (2000) - Sergeant Palacio.
Chris Noth (Detective Mike Logan) & Jamie Tirelli (CSU Rivera) also worked together on Killer Song (2011) (episode 2.18), as Peter Florrick & Luis Flores respectively.