Bilateral Thinking Puzzles

Q: A man sitting on a park bench reads a newspaper article headlined 'Death At Sea' and knows that a murder was committed. How does he know?

A: He had been outside in a storm and had been thoroughly soaked, and had come inside to warm himself by the fire. He was wearing a leather collar, and as the collar dried, it shrank, strangling him.

Another

This is another thing that seemed funnier a third of the way into writing it, from the Surrealist. 19th August 2005.