| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| how are serial killers brains different | 1.83 | 0.1 | 4219 | 98 |
| do serial killers have different brains | 0.59 | 0.1 | 3016 | 53 |
| brains of serial killers | 1.86 | 0.1 | 6781 | 50 |
| serial killer brain vs normal brain | 1.84 | 0.6 | 1851 | 21 |
| studies on serial killers brains | 1.61 | 0.1 | 737 | 90 |
| brain of serial killer vs normal | 1.19 | 1 | 7597 | 12 |
| have any serial killers brain been researched | 1.01 | 0.4 | 9700 | 93 |
| how does a serial killer's brain work | 0.58 | 0.4 | 1014 | 13 |
| serial killers brain study | 0.71 | 0.5 | 8542 | 32 |
| how do serial killers think | 1.12 | 0.3 | 723 | 25 |
| brain damage in serial killers | 1.77 | 0.4 | 9318 | 70 |
| brain function of serial killers | 0.78 | 0.4 | 8444 | 2 |
| the psychology behind serial killers | 1.64 | 0.3 | 4616 | 7 |
