| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| list of unsolved serial killers | 1.56 | 0.1 | 2408 | 44 |
| list of unsolved serial murders | 0.06 | 0.5 | 8560 | 10 |
| famous unsolved serial killers | 0.12 | 1 | 802 | 12 |
| unsolved serial killers book | 0.31 | 0.2 | 4767 | 37 |
| unsolved serial killers uk | 0.9 | 0.7 | 6881 | 67 |
| how many unsolved serial killers are there | 1.33 | 0.3 | 7473 | 9 |
| unsolved serial killer cases | 1.62 | 0.3 | 816 | 24 |
| list of not well known serial killers | 1.74 | 0.8 | 8805 | 24 |
| list of recent serial killers | 1.36 | 0.8 | 6981 | 26 |
| current unsolved serial killer cases | 0.92 | 1 | 5644 | 73 |
| entire list of serial killers | 1.68 | 0.8 | 6486 | 77 |
| complete list of serial killers | 0.59 | 0.8 | 4008 | 74 |
| unsolved serial killers australia | 1.97 | 0.2 | 8481 | 80 |
| unsolved serial killer cases usa | 1.86 | 0.8 | 6890 | 35 |
| most recent serial killers | 1.13 | 0.6 | 5336 | 42 |
| less known serial killers | 0.78 | 0.4 | 6761 | 79 |
