Murder Mystery

murder mystery puzzle image

Question:

A maths teacher is walking past a small shop when he hears a scream;

"Stop, Frank don't do it!"

Then there's a gun shot. Suddenly a fire fighter, police officer and builder come running from the shop. The teacher instantly knows who the shooter was, of the three of them, without any gun in sight. How?

Answer: (click to show)

The answer here isn't important, the real trick to this one lies in the justification. The teacher knew is was the _______ because he was the only man, the only one who would have been called Frank! The other two were women. This riddle simply plays on stereotypes of gender roles with most people assuming these three workers are men because of their jobs.