One night, a man receives a call from the police. The police tell the man that his wofe was murdered, and that he should reach the crime scene as soon as possible. The man drops the phone shocked, and drives 20 minutes to the crime scene. As soon as he reaches the crime scene, the police arrest him, and he is convicted of murder. How did the police know that he committed the murder??

Did the police tell him where the crime scene was, where he should drive to?