Timeline contradiction · 90 seconds
The Thursday Alibi
Three records, one repeated excuse. Find the contradiction without opening a full case.
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Four tiny contradictions. No download required.
Classify what a record actually proves, then combine independent sources. These exercises use spoiler-safe sample evidence, not solutions from the paid cases.
Evidence classification · 2 minutes
The 01:19 Receipt
A calendar says midnight. A ride receipt says 01:19. Decide what each record actually proves.
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Photo corroboration · 2 minutes
One Photo, Three Suspicious Details
A harmless-looking photo contains three pieces of timeline evidence. Choose the detail that can be corroborated elsewhere.
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Cross-app correlation · 2 minutes
The Calendar Repeat Nobody Notices
A repeating event looks ordinary until its first date is compared with a new contact and a matching payment.
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