| RATING | 6k ~ 7.1 |
|---|---|
| GENRES | Documentary, Crime |
| YEAR | 2020s / 2021 |
| EPISODES | 12 (3 seasons) |
|---|---|
| ORIGIN | English / United States |
| AUDIENCE | R |
| The investigators behind infamous serial killer cases reveal the harrowing, chilling details of their extraordinary efforts in this true crime series. |
