
This episode covers the murder of Susan Fassett, the investigation into her death, and the involvement of her husband Jeff Fassett, Fred Andros, and Dawn Silvernail.
The episode begins with the shocking murder of Susan Fassett outside her church in Poughkeepsie, New York. Witnesses report a light-colored vehicle speeding away from the scene. Jeff Fassett, Susan's husband, is questioned due to his suspicious behavior and lack of an alibi.
As the investigation unfolds, it is revealed that Susan had an affair with Fred Andros, a local superintendent. Despite Andros having an alibi for the night of the murder, he is implicated when DNA evidence links him to Susan shortly before her death.
Dawn Silvernail, another woman involved with Andros, is also brought into the investigation. She ultimately confesses to the murder, claiming Andros coerced her into committing the crime due to a debt she owed him.
The episode concludes with the trials of both Andros and Silvernail, highlighting the manipulation and deceit that led to Susan Fassett's tragic death.
Susan Fassett is murdered; her husband, lover, and a third party are implicated in a tangled web of affairs and manipulation.

This episode stands out for the following:
I’ve seen brazen murders in my career but I’ve never seen one this brazen.Three's a Crowd | Forensic Files | S14 E4 | FULL EPISODE
I shot that poor woman.Three's a Crowd | Forensic Files | S14 E4 | FULL EPISODE
I’m a monster who’s filled with remorse.Three's a Crowd | Forensic Files | S14 E4 | FULL EPISODE