| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killers that haven't been caught | 1.99 | 0.3 | 2656 | 74 |
| serial killers that have not been caught | 1.29 | 0.3 | 4046 | 63 |
| famous serial killers that were never caught | 0.38 | 0.1 | 5885 | 77 |
| serial killer that were never caught | 1.35 | 0.4 | 5157 | 13 |
| never caught serial killers | 0.09 | 0.7 | 7372 | 59 |
| serial killers never caught list | 1.36 | 0.9 | 7273 | 14 |
| recently caught serial killers | 1.26 | 0.3 | 1366 | 11 |
| how many serial killers have not been caught | 1.11 | 0.8 | 6323 | 98 |
| what serial killers have not been caught | 0.06 | 0.3 | 4923 | 23 |
| serial killers who have not been caught | 0.04 | 0.4 | 5409 | 14 |
| serial killers that are not well known | 1.92 | 0.1 | 2876 | 94 |
| most famous serial killers never caught | 1.14 | 0.9 | 596 | 12 |
| serial killer that was never caught | 0.25 | 0.2 | 2770 | 16 |
