| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| serial killer psychology history | 1.14 | 0.5 | 9258 | 22 | 32 |
| serial | 0.06 | 0.2 | 7733 | 26 | 6 |
| killer | 1.73 | 0.7 | 4263 | 100 | 6 |
| psychology | 1.34 | 1 | 6393 | 17 | 10 |
| history | 1.95 | 0.3 | 1213 | 11 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| serial killer psychology history | 1.88 | 0.3 | 3114 | 39 |
| psychology of serial killer | 1.84 | 0.7 | 1310 | 77 |
| serial killer criminal psychology | 0.74 | 0.7 | 7241 | 27 |
| serial killers and psychology | 0.99 | 0.5 | 8845 | 99 |
| the psychology of a serial killer book | 1.08 | 0.3 | 4581 | 82 |
| psychology today serial killers | 1.31 | 0.7 | 559 | 24 |
| psychology of serial killers pdf | 0.36 | 0.4 | 9893 | 87 |
| psychology behind serial killers articles | 1.07 | 0.7 | 1129 | 10 |
| the history of serial killers | 0.37 | 0.2 | 2954 | 33 |
| the psychology of serial killers show | 0.77 | 0.9 | 7351 | 21 |
| psychological studies on serial killers | 0.25 | 0.7 | 2943 | 11 |
| psychological theories serial killers | 0.37 | 0.4 | 8880 | 57 |
| serial killers psychological analysis | 1.08 | 0.8 | 5853 | 29 |
