5.74 avg 8 episodes 6.5 → 6.0 43 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Valley Killer | 6.5 | 11 |
| 2 | The Eastbound Strangler | 5.4 | 5 |
| 3 | The Babysitter Killer | 4.7 | 7 |
| 4 | The Woodsman | 6.0 | 6 |
| 5 | Double Initial Murders | 6.0 | 5 |
| 6 | Brutal Bayou | 6.7 | 6 |
| 7 | Mississippi Five | 4.6 | 5 |
| 8 | Dance with the Devil | 6.0 | 5 |
6.04 avg 8 episodes 6.9 → 6.4 43 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Night Stalker | 6.9 | 8 |
| 2 | Blonde, Blue-Eyed, and Gone | 5.8 | 6 |
| 3 | The Coastal Killer | 5.9 | 7 |
| 4 | The Texas Killing Field | 5.6 | 7 |
| 5 | The I-70 Killer | 6.2 | 9 |
| 6 | The Mall Killings | 5.6 | 5 |
| 7 | The Colonial Parkway Murders | 5.9 | 9 |
| 8 | The Highway of Tears | 6.4 | 9 |
5.86 avg 5 episodes 5.9 → 5.6 45 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | The Original Night Stalker | 5.9 | 10 |
| 2 | The Secrets of Israel Keyes | 5.6 | 13 |
| 3 | The Phantom of Civil Theater | 6.0 | 6 |
| 5 | Long Island Serial Killer | 6.2 | 6 |
| 6 | Aurora Murders | 5.6 | 5 |
