| THINMAN | Dashiell Hammett whodunnit, with "The" |
| NITWIT | Take part in whodunnit with fool (6) |
| KNIVES | Whodunnit with Daniel Craig, - - - Out (6) |
| INCIDENTROOM | Episode from The Office - the one where the police are wondering whodunnit (8,4) |
| ACKROYD | The Murder of Roger -; Agatha Christie novel once voted the best whodunnit ever written (7) |
| MOUSETRAP | The -; Agatha Christie's whodunnit which is the world's longest-running play (9) |
| HOWCATCHEM | Mystery in which, unlike in a whodunnit, the perpetrator is revealed at the beginning |
| MURDERS | Only - - - In The Building, whodunnit series with Steve Martin (7) |
| DOWNINTHEMOUTH | Unhappy with the modus operandi in new whodunnit (4,2,3,5) |
| WHOSTHEMAN | 1993 film billed as "the first hip-hop whodunnit" |
| SUSPECT | Whodunnit guy is among the jujitsu spectators (7) |
| ORIENT | Murder on the - - - Express, Agatha Christie whodunnit (6) |
| MALTESEFALCON | The ..., a 1930 detective novel by Dashiell Hammett with Sam Spade as the main character (7,6) |
| SAMSPADE | Created by Dashiell Hammett in 1930 and played by Humphrey Bogart in the 1941 film, who was the sleuth in The Maltese Falcon? (3,5) |
| FATMAN | Old Dashiell Hammett radio series, with "The" |
| DANIEL | _ Craig stars as Detective Benoit Blanc in the whodunnit black comedy Knives Out (6) |
| HAUNTING | And 22D: A - in -, 2023 whodunnit film starring 21A, 29A, 9D, and 18D; based on the book Halloween Party by Agatha Christie (8,6) |
| VENICE | And 22D: A - in -, 2023 whodunnit film starring 21A, 29A, 9D, and 18D; based on the book Halloween Party by Agatha Christie (8,6) |
| THEDROWNINGPOOL | Newman-Woodward film whodunnit |
| PRIMESUSPECT | Math teacher's pick in a whodunnit? |
