CASE ZERO
Case 062

Who is guilty?

Exactly one suspect is guilty. The guilty suspect lies. Every innocent suspect tells the truth.

Amira: “The guilty person is one of Amira, Tess or Hugo.”
Jack: “Neither Jack nor Tess is guilty.”
Tess: “None of Amira, Jack or Mae is guilty.”
Hugo: “None of Amira, Hugo or Mae is guilty.”
Mae: “Tess is innocent.”
Random case
Solution: Hugo is guilty. Testing each possible culprit leaves this as the only assignment where the culprit's statement is false and all four innocent statements are true.