Riddle: One Sunday morning, a family of 3...
...decided to skip church due to Susan coming down with the Flu, so Robert ranout to fetch the doctor, when he came back, Lilly and Susan was dead and the police were there, some neihbors, the mail man, and a physican.
Susan and Lily died from gunshots to the head. Everyone at the scene of the crime was being questioned, even Robert.
Who killed Lilly and Susan? Why?
Answer: The Mailman...
because mail doesn't come on Sunday's.