The Detective’s DeskPeta Hart
Courier
“I followed the permitted route directly from R to Q.”
EASY · CASE FILE
The arrow in the alley
Easy · OLD TOWN DELIVERY ROUTE
Couriers describe following a short delivery route without breaking its one-way rules. The route card lists every permitted directed connection. A reverse connection is not permitted unless it appears separately.
Read the case file below, or open the interactive desk to examine records, keep notes and submit your reasoning. These are the case materials, without the solution.
Your assignment
Inspect, test and record the finding. What does the verified record establish?
- The source records are verified and their stated conditions apply to every account.
- Find the account contradicted by a record. A contradiction alone does not establish wrongdoing.
People and accounts
Qasim Reed
Courier
“I followed the route from P through Q to R.”
Ruth Vale
Courier
“I followed the permitted connection from R to S.”
Case records
Read each record on its own terms. A claim made by a person is different from a fact established by an independent record.
WEATHER NOTE
The weather note
The route remained open in clear weather.
The route remained open in clear weather.
ONE-WAY ROUTE CARD
Follow the arrows
The only permitted moves are P → Q, Q → R and R → S. No reverse moves, shortcuts or other connections are permitted during these journeys.
This is a verified source record for this case. Compare its stated facts with the exact question.
PHOTOGRAPH
The parcel colours
The couriers carried red, blue and brown parcels. Colour did not grant route exceptions.
The couriers carried red, blue and brown parcels. Colour did not grant route exceptions.
Questions to resolve
Which accounts remain consistent with the verified facts?
Use the interactive case desk to select your finding and cite the records that support it. The answer is checked there, and your progress stays in your browser.
Build your finding
Compare the records with each account. Work out what the evidence establishes, then separate that finding from anything it does not prove.