| 2025 | Pete Barnstrom | “The Troubling Mr. Truelove” | July 2026 |
| 2024 | T. M. Bradshaw | “Double Take” | July 2025 |
| 2023 | Libby Cudmore | “Alibi In Ice” | July 2024 |
| 2022 | Jacqueline Freimor | “The Case of the Bogus Cinderellas” | July 2023 |
| 2021 | Alexis Stefanovich-Thomson | “The Man Who Went Down Under” | July 2022 |
| 2020 | Tom Larsen | “El Cuerpo en el Barril” (“The Body in the Barrel”) | July 2021 |
| 2019 | Ted Burge | “The Red Taxi” | July/August 2020 |
| 2018 | Mark Bruce | “Minerva James & the Goddess of Justice” | July/August 2019 |
| 2017 | Mark Thielman | “The Black Drop of Venus” | July/August 2018 |
| 2016 | Steve Liskow | “Look What They’ve Done to My Song, Ma” | July/August 2017 |
| 2015 | Mark Thielman | “A Meter of Murder” | July/August 2016 |
| 2014 | K. B. McAbee | “Dyed to Death” | July/August 2015 |
| 2013 | Susan Thibadeau | “The Discarded Spouse” | July/August 2014 |
| 2012 | Robert Lopresti | “The Red Envelope” | July/August 2013 |
| 2011 | James Lincoln Warren | “Inner Fire” | July/August 2012 |
| 2010 | Bradley Crowther | “Politics Make Dead Bedfellow” | July/August 2011 |
| 2009 | Steve Liskow | “The Strangle Hold” | July/August 2010 |
| 2008 | Michael Nethercott | “O’Nelligan’s Glory” | July/August 2009 |
| 2007 | John Gregory Betancourt | “Horse Pit” | July/August 2008 |
