| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killers who haven't been caught | 1.57 | 0.5 | 1845 | 64 |
| serial killers who have not been caught | 1.23 | 0.3 | 4599 | 52 |
| what serial killers have not been caught | 0.76 | 0.9 | 1139 | 84 |
| famous serial killers not caught | 1.17 | 0.2 | 4097 | 38 |
| never caught serial killers | 0.49 | 0.7 | 388 | 77 |
| serial killers never caught list | 0.39 | 0.2 | 3531 | 99 |
| serial killers recently caught | 1.26 | 0.2 | 6049 | 4 |
| serial killers that have not been caught | 0.49 | 0.5 | 6996 | 9 |
| how many serial killers have not been caught | 1.28 | 0.9 | 1810 | 69 |
| most famous serial killers never caught | 1.99 | 0.9 | 4525 | 61 |
| serial killers that are not well known | 0.49 | 0.8 | 3911 | 46 |
| serial killer who never got caught | 1.06 | 0.4 | 7679 | 34 |
