Olivia Madison Case No. 7906256 - The Naive Thief Online

: Use the number as a key for a book cipher or a "telephone" cipher (where 7=PQRS, 9=WXYZ, etc.) if you find a coded message in Olivia’s belongings. 2. Profile of "The Naive Thief"

Could you clarify what kind of “feature” you need? For example: olivia madison case no. 7906256 - the naive thief