| Issue | #20 |
| Published | January 1952 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Edward Bobley |
| Notes | Original data for this comic from eBay seller "leggsplus"; provided by Dick Sabo via the GCD Error List (19 October 2006). Available as a scan at goldenagecomics.co.uk. |
| Genre | crime; detective |
| Characters | Steve Duncan |
| Genre | crime; detective |
| Pencils | Cal Massey (signed) |
| Inks | Cal Massey |
| Notes | Perfect Crime #9935, completed June 11, 1951 (in shield on first page of story). |
| Genre | Crime |
| Notes | Perfect Crime #10057, completed July 18, 1951 (in shield on first page of story) |
| Genre | Crime |
| Pencils | Jim Reilley (signed) |
| Inks | Jim Reilley |
| Notes | Perfect Crime #10039, completed July 12, 1951 (in shield on first page of story). |
| Synopsis | Publisher: Harold L. Crossman, Editor: Edward Bobley, Managing Editor: Max Levin, Business Manager: None. Average number of copies not filled out. |
| Script | Harold L. Crossman |
| Letters | typeset |
| Genre | Crime |
| Script | Floyd Torbert |
| Pencils | Floyd Torbert (signed) [as Torb] |
| Inks | Floyd Torbert |
| Notes | Perfect Crime #10180, completed August 25, 1951 (in shield on first page of story). |
| Genre | crime |
| Script | Audley V. Walsh |
| Letters | typeset |
| Notes | One full page plus two half pages, where the other half of each page is ads. |
| Genre | Crime |
| Script | Floyd Torbert |
| Pencils | Floyd Torbert (signed) [as Torb] |
| Inks | Floyd Torbert |
| Notes | Perfect Crime #10135, completed August 10, 1951 (in shield on first page of story). |