| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| current unsolved serial killer cases | 0.24 | 0.3 | 8251 | 69 |
| current serial killer cases | 1.96 | 0.4 | 5518 | 27 |
| unsolved serial killers usa | 1.69 | 0.8 | 4318 | 3 |
| recent serial killer cases | 1.82 | 0.1 | 9657 | 11 |
| list of unsolved serial killers | 1.75 | 0.6 | 9625 | 91 |
| unsolved american serial killers | 0.69 | 1 | 9239 | 81 |
| unsolved serial murders in the united states | 1.96 | 0.2 | 5253 | 81 |
| list of unsolved serial murders | 0.66 | 0.1 | 9289 | 1 |
| unsolved serial killers uk | 1.7 | 0.6 | 9503 | 75 |
| unsolved serial killers book | 1.28 | 0.3 | 1575 | 33 |
| famous unsolved serial killers | 0.05 | 0.3 | 8886 | 25 |
| serial killer cases solved | 0.29 | 0.6 | 345 | 46 |
| unsolved serial killers australia | 0.82 | 0.7 | 1506 | 89 |
| famous serial killer cases | 1.77 | 0.7 | 4212 | 36 |
| serial killer court cases | 1.98 | 0.3 | 6088 | 41 |
| how many unsolved serial killers are there | 1.49 | 1 | 1317 | 39 |
| current unsolved murder cases | 0.62 | 0.5 | 4419 | 82 |
| cases of serial killers | 0.05 | 0.6 | 2839 | 38 |
| most recent serial killer | 1.36 | 0.8 | 2869 | 42 |
| unsolved serial killings uk | 0.86 | 0.7 | 1649 | 100 |
