| A | B |
| alibi | an excuse that an accused person uses |
| breakthrough | a discovery that solves the crime |
| clue | a fact or object that helps solve a mystery |
| culprit | committed the crime (perp) |
| crime | a violation of the law |
| deduce | to conclude by logical reasoning |
| detective (gumshoe) | investigates crimes and gathers information |
| hunch | a guess or feeling |
| innocent | not guilty |
| motive | reason for the crime |
| mystery | something that is secret or unknown |
| plot | the arrangement of incidents in a story |
| purloin | to steal |
| red herring | used to divert attention, a distraction |
| setting | the time, place, environment and surrounding circumstances of a story |
| sleuth | a detective |
| suspect | a person who people think committed the crime |
| vicitm | someone who is harmed |
| witness | someone who saw something happen |