| Title | |
|---|---|
| Release Date | Dec 23, 1976 |
| Genres | Drama, Mystery, Thriller, |
| Production Company | Cinematográfica Marco Polo S.A., Conacine |
| Production Countries | Mexico |
| Casts | Ignacio López Tarso, Adalberto Martínez, Jaime Fernández, José Alonso, Salvador Sánchez, Katy Jurado, José Carlos Ruiz, David Silva, Eduardo Cassab, Salvador Garcini, Gerardo Zepeda |
| Plot Keywords | police brutality, corruption, based on novel or book, investigation, murder, janitor, poverty, death, bricklayer, |