Riddle: A man and a womam just got married and they are flying to Hawaii for their honeymoon. As the couple were looking down into one of the largest volcanoes, the wife falls in and dies. The husband flies back to his home very sad.
The next day, he gets a phone call. The person on the phone said "I know who killed your wife."
Who killed the wife?
Who called the husband?
How did they know?
Answer: the husband killed his wife.
the person who called was a flight attendant, because after reading about the death of his wife in the Newspaper she realized he bought one round trip ticket for himself and a one way ticket for his wife.