| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| who solved the zodiac killer case | 0.54 | 1 | 7230 | 51 |
| is the zodiac killer case solved | 0.9 | 1 | 880 | 18 |
| was the zodiac killer case ever solved | 0.95 | 0.8 | 864 | 65 |
| has the zodiac killer case been solved | 1.82 | 1 | 486 | 83 |
| the zodiac killer case | 0.64 | 0.5 | 9294 | 94 |
| the zodiac killer case information | 0.98 | 0.2 | 3231 | 16 |
| have they solved the zodiac killer | 1.24 | 0.6 | 1417 | 93 |
| did they solve the zodiac killer | 0.49 | 0.2 | 6326 | 29 |
| zodiac murders case solved | 1 | 0.1 | 929 | 79 |
| evidence in the zodiac killer case | 1.49 | 0.3 | 8091 | 17 |
| the zodiac killer solved | 0.97 | 0.7 | 3985 | 74 |
| suspects in the zodiac killer case | 0.61 | 0.8 | 3306 | 53 |
| zodiac killer case summary | 1.6 | 0.5 | 2752 | 21 |
| why is the zodiac killer case unsolved | 0.91 | 0.2 | 5738 | 1 |
| zodiac killer case study | 0.83 | 0.7 | 5492 | 91 |
| did the ever find the zodiac killer | 0.93 | 0.5 | 1368 | 20 |
| the zodiac killer case files | 0.2 | 0.4 | 521 | 98 |
| new york zodiac killer case | 1.86 | 0.6 | 5836 | 33 |
| did they ever capture the zodiac killer | 1.56 | 0.6 | 4124 | 1 |
| did we catch the zodiac killer | 1.81 | 0.1 | 2245 | 87 |
| was the zodiac killer captured | 1.69 | 0.8 | 1800 | 73 |
| is the zodiac killer solved | 1.41 | 0.9 | 2416 | 30 |
