Context: Well two weeks went by , and my dad had gotten letters form an anonymous person , the person who murdered and kidnapped his family . He went to the police but they did n't believe him . He had to do this by himself , and he was . He finally got the answer to where the person was .
Question: Why did the police not believe their father ?
Option 0: The police believed their father was the criminal .
Option 1: Their father did not present enough evidence .
Option 2: None of the above choices .
Option 3: The police did n’t feel like investigating the letter .
Answer: 1