The setup here is clean and specific: a man is found dead on his office floor, murder confirmed, and the only lead is a calendar with the numbers 6, 9, 10, and 11 written in blood. Five suspects — ...

Everything you need to know about the viral riddle.

Now, don't tell us you never pretended to be a detective when you were a kid. Solving crimes and catching unsuspecting perpetrators, even if they were your stuffed teddies, gave satisfaction like no ...