Math?

Riddle: A man called 911 and said he saw a masked man, the police said where are you? They said 3325 Quader Street, when the police went there, they never came back. Why?

Answer: The man who called is the masked man. Source: https://riddles.com/2534

A man called 911 and said he saw a masked man, the police said where are you? They said 3325 Quader Street, when the police went there, they never came back. Why? — math? by Extremeriddler Riddle