Investigations Store
Own the full catalogue outright, become a member for the growing library, or buy individual cases to keep and reuse year after year.
Own the Catalogue
Buy every current case outright in one go. Yours to keep and reuse forever, with no membership and nothing to renew.
- Every current investigation case
- Permanent whole-school licence
- Unlimited groups, year after year
- No subscription, no renewal
TDE Membership
Full access to every case, including new investigations released throughout your membership, all under one whole-school licence.
- Every current case included
- All new releases during your term
- 1-year and 2-year options
- Whole-school licence
Individual Investigations
£222.00 The Midnight Burglary
Grades 7-11 (Ages 11-16)A late-night break-in in Anchors Bay. Students build a timeline, identify inconsistencies, and test competing explanations against the evidence.
£222.00 The Lighthouse Keeper
Grades 7-11 (Ages 11-16)A staged investigation where students build a timeline, spot inconsistencies, and test competing theories as new evidence tightens the case.
£222.00 The Influencer
Grades 7-11 (Ages 11-16)A social media star is found dead under suspicious circumstances. Students assess credibility, build a defensible timeline, and test competing theories as new information is revealed.
£222.00 Operation Crossfall
Grades 7-11 (Ages 11-16)A hit-and-run leaves a victim in the road. Students piece together witness accounts, forensic evidence, and vehicle data to identify the driver and reconstruct what happened.
£222.00 The Secret Garden
Grades 5-8 (Ages 10-13)During a power cut at the Anchors Bay Art Gallery, a painting is swapped for a forgery. Students examine exhibits, CCTV stills, timelines, and witness statements to crack the heist.
£83.00 Operation Northwall
Grades 9-12 (Ages 14+)A 15-year-old has started using language and ideas that worry his teacher. Students review the case file, recognise the warning signs of online radicalisation, and write a professional safeguarding assessment.