The Murder On 31first Street

Riddle: Martha's sister was killed on a Sunday, the three suspects are the postman the milkman and the neighbor. Who was the murderer?

Answer: The postman because it was a Sunday.

Source: https://www.riddles.com/5907

Martha's sister was killed on a Sunday, the three suspects are the postman the milkman and the neighbor. Who was the murderer? — The murder on 31first street by Antonio M Fernandez v1.

Riddle: Martha's sister was killed on a Sunday, the three suspects are the postman the milkman and the neighbor. Who was the murderer? Answer: The postman because it was a Sunday. — by Antonio M Fernandez v2.