| A | B |
| Alibi | plea of not having been at a crime |
| Clue | Appears to give information toward solving a crime |
| Deduction | Collecting facts and drawing a possible conclusion |
| Evidence | Someone or something that proves who committed a crime |
| Red herring | A false lead that throws the investigator off track |
| Sleuth | An investigator or detective |
| Suspects | People who appear to have a motive to have committed the crime |
| Witness | Person who has personal knowledge about the crime |
| Sherlock Holmes | famous detective of literature |
| Edgar Allen Poe | wrote the first detective story |
| Arthur C. Doyle | wrote 56 short stories and 4 novels |
| Auguste Dupin | Poe's detective in his literature |