Seasons
Season 1 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Motorway Killer | 7.0 | 21 |
| 2 | Unrighteous Act | 7.1 | 13 |
| 3 | Deadly Desire | 6.5 | 11 |
| 4 | Scottsdale Spree Shooting | 6.9 | 8 |
| 5 | Blood Bath | 7.1 | 11 |
| 6 | Road Trip to Hell | 7.0 | 11 |
| 7 | March Massacre | 6.9 | 9 |
| 8 | Murder in the Snow | 7.5 | 14 |
| 9 | Ice Cold Murder | 7.2 | 9 |
| 10 | Llandarcy Serial Killer | 7.4 | 9 |
| 11 | Sheeps Flat Murder Mystery | 7.2 | 11 |
| 12 | Carnage in Cardiff | 7.3 | 9 |
| 13 | The Rockville Horror | 7.1 | 8 |
| 14 | A Life Stolen | 6.9 | 10 |
| 15 | Walking Nightmare | 7.0 | 8 |
| 16 | Town Path Predator | 7.0 | 6 |
| 17 | The Murder of Tangie Sims | 6.5 | 8 |
| 18 | The Williamsburg Rapist | 6.6 | 8 |
| 19 | Murder Of Helene Pruszynski | 7.3 | 7 |
| 20 | The Clearfield Rapist | 7.4 | 9 |
Season 2 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Body in the Stairwell | 7.2 | 12 |
| 2 | Sacrilege in Sacramento | 7.2 | 11 |
| 3 | The Montana Murders | 7.2 | 14 |
| 4 | Sinful Act In St George | 7.4 | 14 |
| 5 | Left for Dead in Logan County | 7.0 | 11 |
| 6 | The Alameda Attacker | 7.1 | 9 |
| 7 | The Murder of Siobhain | 7.3 | 11 |
| 8 | Cold Case Twist | 7.8 | 10 |
| 9 | The Montana Creek Murders | 7.0 | 9 |
| 10 | San Bernardino Bodies | 7.9 | 9 |
| 11 | The Mystery Murder of Mary London | 8.3 | 7 |
| 12 | The Knifepoint Rapist | 7.1 | 8 |
| 13 | The Gunpoint Rapist | 7.5 | 6 |
| 14 | The Hunt for Precious Jane Doe | 8.3 | 9 |
| 15 | The Rapid City Rapist | 7.4 | 7 |
| 16 | A Family Torn Apart | 7.9 | 7 |
| 17 | Justice for Leslie | 8.1 | 9 |
| 18 | Cuyahoga Falls Mystery | 7.5 | 6 |
| 19 | Chilling Notes from a Killer | 7.8 | 5 |
| 20 | Remembering Stevie | 8.4 | 8 |
Season 3 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Date Night Murder in Michigan | 7.8 | 6 |
| 2 | The Greeley Rapist | 7.8 | 6 |
| 3 | Carla's Last Valentines | 8.4 | 5 |
| 4 | Last Seen at Dairy Queen | 8.0 | 5 |
| 5 | The Coat Hanger Killer | 8.0 | 5 |
| 6 | The Mystery of the Headphones | 8.3 | 6 |
| 7 | The Christmas Tree Lady | 8.6 | 7 |
| 8 | Little Miss Nobody | 8.5 | 8 |
| 9 | The Slaying of Sylvia Quayle | 8.2 | 6 |
| 10 | Valentine's Day Murder | 8.2 | 8 |
| 11 | The Mystery in the Parks | 7.7 | 7 |
| 12 | Murder by the Base | 8.2 | 6 |
| 13 | The Murder of Mary Scott | 7.9 | 7 |
| 14 | The Schoolbag in the Road | 8.0 | 5 |
| 15 | Her Last New Years Eve | 8.3 | 6 |
| 16 | Dancing with Death | 8.0 | 7 |
| 17 | The McCleary Rapist | 7.8 | 6 |
| 19 | The Mint Box Murder | 7.8 | 10 |
| 20 | The Telephone Cord Killer | 7.2 | 5 |
Season 4 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Norcal Rapist | 7.2 | 6 |
| 3 | Murder on Elm Street | 7.4 | 5 |
| 4 | The Mammoth Lakes Murder | 7.4 | 5 |
| 14 | Double Homicide in the OC | 8.0 | 5 |
Season 5 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Body in the Blanket | 7.8 | 5 |
| 3 | The Book Store Murder | 7.5 | 6 |
| 4 | The McClintock Park Murders | 8.0 | 5 |
| 5 | Strangled in the Sand | 7.4 | 5 |
| 6 | Terror in Garden Grove | 7.4 | 5 |
| 7 | The Runaway Murder | 7.1 | 7 |
| 8 | Justice for Krista | 8.2 | 5 |
| 9 | The Imposter Rapist | 6.8 | 6 |
| 10 | The Schoolteacher Murder | 7.5 | 6 |
| 13 | Home Invasion Homicide | 7.4 | 5 |
| 15 | Finding Suzanne | 7.2 | 6 |
| 20 | Brutality in Brownwood | 8.2 | 6 |
