Amy Hohn has played four different characters over the course of the series:
- Episode 5.7 Precious (1994) - Assistant M.E. Manning.
- Episode 6.3 Savages (1995) - Assistant M.E. Manning.
- Episode 7.16 Turnaround (1997) - Canton.
- Episode 10.14 Entitled (2000) - Delia Woodruff.
- Episode 15.4 Coming Down Hard (2004) - Laura Dixon.
- Episode 19.9 By Perjury (2009) - Laura Dixon.
This episode appears to be based on several separate incidents/cases:
- The 1976 David Berkowitz (a.k.a. "The Son of Sam") case and speculations regarding mob involvement in the case.
- The controversies surrounding the Kennedy family and the so-called "Kennedy curse".
- The Chappaquiddick incident involving Senator Ted Kennedy.
- The 1991 sexual assault charge against William Kennedy Smith.
- The theories advanced by the 1976 book Jack the Ripper: The Final Solution.
- The Zodiac Killer case, from the late 1960s to the early 1970s.