FROST ON WINDOWS
Ben was found dead in his study (room) by Peter. Peter recounted his dismissal discovery to the police.
"I was walking by Ben's house when I thought I would just pop in a visit. I noticed his study (room) light was on and I decided to peek in from the outside to see if he was in there. There was frost on the window, so I had wipe it away to see inside. That is when I saw his body. So I kicked in the front door to confirm my suspiciouns of foul play. I called the police immediately afterward."
The officer immediately arrested Peter for the murder of Ben. How did the officer know that Peter was lying?
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Edited.
Credits to the real owner.
