| 100% | DEX | 3 | Showtime's serial killer protagonist, familiarly |
| 52% | DEXTER | 6 | Showtime drama with a serial-killer protagonist |
| 43% | LECTER | 6 | Serial killer Hannibal's last name |
| 41% | DEXTER | 6 | Showtime drama about a serial killer (2006-2013), or the main character's first name |
| 38% | SNOW | 4 | Serial killer? |
| 33% | THEFALL | 7 | Serial killer crime series set in Northern Ireland |
| 33% | DEXTER | 6 | Serial killer TV show starring Michael C. Hall |
| 33% | RIPPER | 6 | Jack the __, unidentified London serial killer |
| 33% | HANNIBAL | 8 | NBC thriller about a serial killer (2013-present), or the main character's first name |
| 32% | RIPPER | 6 | Soviet serial killer: Andrei Chikatilo: the Red __ |
| 32% | MICHAEL | 7 | __ C. Hall played Dexter, the serial killer |
| 32% | DISTURBIA | 9 | 2007 serial killer thriller starring Shia LaBeouf |
| 32% | AMERICAN | 8 | __ Psycho, book with serial killer Patrick Bateman |
| 31% | KRUEGER | 7 | Freddy __; A Nightmare on Elm Street serial killer |
| 31% | ZODIAC | 6 | 2007 Jake Gyllenhaal film about a serial killer |
| 31% | RIPPER | 6 | Jack the __, London serial killer with unknown ID |
| 31% | CSI | 3 | Show with the serial killer Rita Von Squeeze |
| 31% | BILLYBOB | 8 | With 48-Across, "Bad Santa" star who played a serial killer on FX's "Fargo": 2 wds. |
| 31% | FEARANDLOATHING | 15 | Classic Hunter S. Thompson novel, familiarly |
| 31% | DEXTER | 6 | TV show on a serial killer who kills counterparts |
| 30% | GARP | 4 | John Irving protagonist T. S. ___ |
| 30% | SONOFSAM | 8 | Name by which American serial killer David Berkowitz is known |
| 29% | DEXTERNEWBLOOD | 14 | Showtime drama featuring 45-Across as a serial killer (3 wds.) |
| 28% | REDDRAGON | 9 | 2002 thriller starring Anthony Hopkins as serial killer Hannibal Lecter: 2 wds. |
| 28% | LASS | 4 | Narrator and protagonist Georgia "George" ___ of Showtime's "Dead Like Me" |
| 28% | RAY | 3 | Showtime's "___ Donovan" |
| 28% | RAY | 3 | Showtime's ___ Donovan |
| 28% | DEX | 3 | Forensic tech in a Showtime crime series, familiarly |
| 27% | STREET | 6 | "A Nightmare on Elm ___" (film with a burnt serial killer named Freddy Krueger) |
| 27% | SEX | 3 | Showtime's "Masters of ___" |