TODAY'S CASE · SUBSTITUTION CIPHER
MURDER IN THE FOG
The fog hid everything that night. Including who put a knife in the moneylender.
DEMO STATEMENTS
STATEMENT No.01 J.P.
V COB NHKU OSS RVDNZ CVZN ZNU JAPZOVRB QPOCR
— J.P.
DECODED STATEMENT No.02 W.T.
V RUIUP SUEZ ZNU WOP WUEHPU SOBZ JOSS
— W.T.
DECODED STATEMENT No.03 S.C.
ZNU SOBZ ZPOVR JOPPVUQ KU HAZ HE ZNU JVZL
— S.C.
DECODED STATEMENT No.04 M.L.
V BOZ OSHRU VR ZNU JNOGUS ARZVS QOCR
— M.L.
DECODED STATEMENT No.05 B.H.
V COB ZNPUU BZPUUZB OCOL CNUR ZNU JSHJX BZPAJX
— B.H.
DECODED LIVE
CASE No.018 / STREAK ×0
THE METHOD
Three moves to a confession
01
Get the key
Today's shift is A → D. Pin it to the dial and you're in.
02
Decode the alibis
Five statements. The cipher turns to plain English, one line at a time.
03
Spot the liar
Four stories line up. One story won't hold up. Name them.
WHERE TO DIG NEXT
Field Manual Keys, ciphers, and tells of the trade. OPEN Case Archive The closed files. Sealed in the archive. OPEN Code Stories Real ciphers that changed history. READ
The Author Who builds these little lies. COMING SOON
DOSSIER 01 · TWO WAYS IN
Pick up the book, or pick up where you left off.
01 NEW HERE 
GET THE BOOK · soon ▸
DOSSIER 01 · IN PRINT
The Murdcrypt book
A new dossier hits your desk before sunrise.
You're the lead detective, and the only one who reads cipher.
Every file opens with
1BODY
5SUSPECTS
5ALIBIS
Crack the code. Read every alibi in plain English.
Cross-check the stories against the incident report.
Name the killer before the next file lands.
Across the dossier
20CASES
100ALIBIS
10CIPHERS
+ some files don't play fair.
DOSSIER 01 · SEALED
ENTER THE MASTER CODE
You cracked it in the dossier. Key it in to open the sealed file.
NO MATCH