Lover, Stalker, Killer is a true-crime documentary that explores a complex and dangerous love triangle. The narrative centers on the relationships and events involving heterosexual individuals. The film does not feature any identifiable LGBTQ+ characters or themes within its storyline.

The film "Lover, Stalker, Killer" does not include any identifiable transsexual characters or themes. The narrative centers on a real-life love triangle and the subsequent events, with no elements related to transsexual identity present in the story or character arcs. The portrayal is therefore classified as N/A.

The movie does not contain any action or adventure elements.

The film is a true-crime documentary that portrays real historical figures. The on-screen depiction of these individuals aligns with their documented gender. No characters established as one gender in real-world history are portrayed as a different gender within the film.

Lover, Stalker, Killer is a true-crime documentary that features real individuals and events. The film portrays the actual people involved, Dave Kroupa, Cari Farver, and Liz Golyar, without altering their established racial identities. No characters with a canonically or historically defined race are depicted as a different race.