Case 054
The Disabled Camera
A security camera was deliberately switched off.
Rule: exactly one suspect is guilty. The guilty suspect lies. Every innocent suspect tells the truth.
Peyton
“Either Morgan or Parker is guilty.”
Morgan
“Hayden is guilty.”
Hayden
“Sam is innocent.”
Parker
“Peyton and Hayden are both innocent.”
Sam
“Morgan is guilty.”
Who is guilty?
Solution: Morgan
If Morgan is guilty, Morgan's statement is false and every other statement is true. Testing the other suspects creates at least one contradiction.