In the 1970s, a journalist who works for the most famous newspaper in his city becomes obsessed with one of the most dangerous killers of his time. When he decides to interview him to investigate his crimes, he realizes that the result of obsession can exceed the limits in the human being.
Unfortunately the movie Portrait of a Killer is not yet available on HBO Max.
| Directing | Samuel Arduz | Director |
| Writing | Samuel Arduz | Writer |
| Writing | Andrés Sosa | Writer |
| Production | Julián Caballero | Producer |
| Production | Adriana Gutiérrez | Producer |
| Production | Mayram Rivero | Producer |
| Production | Samuel Arduz | Producer |
| Production | Rolando Arduz | Executive Producer |
| Production | Lourdes Loayza | Executive Producer |
| Crew | Hector Suárez | Cinematography |
| Art | Martha Greau | Production Design |
| Sound | Rubert Hurtado | Music |
| Sound | Rolando Arduz | Music |
| Editing | Brahaim Alavia | Editor |
| Sound | Juan José Orihuela | Sound Technical Supervisor |
| Sound | Fabricio Aliaga | Sound |
| Directing | Adriana Gutiérrez | First Assistant Director |
| Directing | Gretzel Guzmán | Second Assistant Director |
| Directing | Andrés Sosa | Script Supervisor |
| Costume & Make-Up | Mayram Rivero | Makeup & Hair |
| Costume & Make-Up | Mayram Rivero | Costume Design |
| Editing | Samuel Arduz | Color Grading |
| Visual Effects | Isaías Castro | Visual Effects |
| Lighting | Jesús Rivero | Gaffer |
| Sound | Jorge Luis Toconas | Boom Operator |
| Camera | Belen Baldivieso | Still Photographer |
| Camera | Eugenia García | Still Photographer |
| Camera | Eduardo Gonzales | Still Photographer |
| Production | Adriana Gutiérrez | Casting |
