| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killer brain compared to normal | 1.46 | 0.2 | 4570 | 6 |
| serial killers brain scan vs normal people | 0.66 | 0.7 | 5231 | 57 |
| brain of a serial killer | 2 | 1 | 4028 | 4 |
| are serial killers brains different | 1.62 | 0.5 | 4268 | 87 |
| serial killer brain study | 0.02 | 0.3 | 8110 | 46 |
| brain structure of a serial killer | 0.44 | 0.5 | 2942 | 15 |
| brain patterns of serial killers | 1.02 | 0.7 | 2349 | 4 |
| serial killers brain abnormalities | 1 | 0.5 | 6003 | 73 |
| brain damage in serial killers | 1.57 | 0.3 | 1879 | 53 |
| study of serial killers brains | 0.62 | 0.1 | 3940 | 52 |
