When a K-9 is blamed for the death of his partner, the CSI team discovers there's more to the case. Meanwhile, Finlay and Morgan investigate the death of a high-profile divorce lawyer with a lot of enemies.
Episode number: 13x5 Airdate: Wednesday October 31st, 2012
The episode begins on a street where people are walking around in their Halloween costumes. Two girls arrive and there are searching for the address where the party is supposed to take place. But then they are scared when they see a man with a gun. Two guys follow them and asks them if they want to party with them. They get out of that place. They then come to an empty street and they see a dog chewing on a body and it has blood on its mouth. They scream. The team arrives at the scene and the dog is continuously barking. Nick thinks that the dog went for the victim’s throat. They find a gun and a wallet on the victim; he is a cop and his gun hasn’t been fire. ..