CaseGrid: Deduction Puzzle

One case a day. Twenty suspects. No guessing, ever. Somebody in this line-up is guilty. The notes pinned to the board tell you who — not by naming them, but by counting: how many culprits sit in a row, how many among the poker club, how many the suspect next to you can see. Read them, put the two that matter together, and the answer follows. THE PROMISE Every case is built so that it can be solved by reasoning alone. There is no lucky tap, and no move you have to take on faith: if the clues on the table do not yet prove a card, the board refuses the stamp — whatever verdict you picked. That refusal is the game keeping its word, not the game being difficult. HOW A CASE WORKS • One suspect is open from the start, and their note is your first clue. • Stamp a suspect CLEARED or GUILTY. A correct call turns that card over — and it starts talking. • Every note is true. Some are evidence, some…