| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S04E01 | The Devil's Business |
September 11, 2012
Investigation Discovery
|
60 | |
| S04E02 | Most Likely to Succeed |
September 18, 2012
Investigation Discovery
|
60 | |
| S04E03 | Angel of Death |
September 25, 2012
Investigation Discovery
|
60 | |
| S04E04 | The Gay Slayer |
October 2, 2012
Investigation Discovery
|
60 | |
| S04E05 | Twisted Fantasies |
October 9, 2012
Investigation Discovery
|
60 | |
| S04E06 |
The Deadly Duo
season finale
|
October 16, 2012
Investigation Discovery
|
60 |
No artwork of this type.
No artwork of this type.
No artwork of this type.