Riddle: One hot summer day at the school, one student, John, was playing a dangerous game with his friend and was strangled to death. This happened at the playground scene. A principal questioned four suspects which are John's friends: Amy, Mark, Kevin, and Lanny. Amy - "I was in the sand making a castle." Mark - "I was on the swings." Kevin - "I just came to school and take off my raincoat to go play." Lanny - "I was reading a book." Who is the lying strangler?
Answer: Kevin is a lying strangler . No one wears raincoats on hot SUMMER days.