| Issue | #10 |
| Published | June-July 1949 |
| Cover Price | 0.10 |
| Pages | 36 |
| Editing | Whitney Ellsworth |
| Notes | DC's France Herron plays the cop in the picture. Jack Schiff plays the crook in the picture. |
| Genre | Crime |
| Pencils | Emerson Hall (photo); Theda Hall (photo) |
| Inks | Emerson Hall (photo); Theda Hall (photo) |
| Colors | Emerson Hall (photo); Theda Hall (photo) |
| Notes | DC's France Herron plays the cop in the picture. Jack Schiff plays the crook in the picture. |
| Genre | fact; crime |
| Letters | typeset |
| Notes | Inside front cover. Sequence data added to original index by Arthur Lortie via the GCD Error List (20 May 2005). |
| Genre | fact; crime |
| Letters | typeset |
| Notes | Inside front cover |
| Genre | crime |
| Pencils | Dan Barry (signed) |
| Inks | Dan Barry (signed) |
| Notes | Barry's signature noted by Arthur Lorrie via the GCD Error List (20 May 2005). |
| Script | Phil Evans |
| Pencils | Nick Cardy |
| Inks | Nick Cardy |
| Notes | Page count correct by Arthur Lortie via the GCD Error List (20 May 2005); the original indexer indicated 10 pages. script credit from Evans Estate (Comics Buyers' Guide June 15, 1990) |
| Synopsis | Fernand J. Rousselot, masquerading as a Marquis in 1917 New York is unmasked by Det. George Busby. |
| Genre | fact; crime |
| Notes | Data for sequence added to original index by Arthur Lorite via the GCD Error List (20 May 2005). |
| Genre | crime |
| Pencils | Curt Swan |
| Inks | Sy Barry |
| Notes | Feature title added to original index by Arthur Lortie via the GCD Error List (20 May 2005). |
| Genre | crime |
| Script | Phil Evans |
| Pencils | Ramona Fradon |
| Inks | Ramona Fradon |
| Notes | script credit from Evans Estate (Comics Buyers' Guide June 15, 1990) |
| Genre | fact; crime |
| Letters | typeset |
| Notes | Inside back cover |
| Genre | crime |
| Letters | typeset |
| Notes | Inside back cover |
| Synopsis | House ad for DC Comics |
| Notes | back cover |