daily riddle

Can you solve this riddle?

Mr.Fred was murdered and the police knew that it was Mr. Andy as soon as he got finished with his story. What I want you to do is tell me how they knew.Here is his story. I was driving down the street and I needed to call my wife to tell her that I would be a little late. I didn't have a phone so I just dropped by Mr.Fred's house to talk and to use his phone to call my wife. I looked in the window and I saw that he was lying on the floor dead. I was terrified I quickly got my cell phone out of my car and accidentally dropped it and it broke! So I kicked open his door and called you guys to investigate this crime. Now, after hearing this story why do you think the police arrested him?