Every file has a final answer.
Physical mystery investigations delivered to your door. Examine evidence, follow clues, and uncover the truth.
Dead Letter Bureau creates mystery case files designed to feel like real recovered investigations.
Each case contains printed evidence, witness statements, police records, photographs, maps, encoded messages, and hidden clues.
Nothing is included by accident. Every document has a purpose.
Each investigation is built around physical evidence, logical deduction, and an online case portal for hints and final answer verification.
Witness statements, reports, photographs, maps, coded messages, receipts, and archived documents.
Compare statements, follow timelines, spot contradictions, and decide which clues matter most.
Scan the included QR code or enter the web address manually to access hints and submit your findings.
Order a physical case file by mail or download the printable edition and begin your investigation at home.
Both versions include access to the Dead Letter Bureau investigator portal.