Mystery story

The crime will be about a dog that is murdered. It will take place near a river. The victim is a dog named Koda. The suspects are Andrew the Electrician, Bill the guy that sell water, Nana farmer. The motive is that Koda has a very fortunate owner and has lots of supplies so the suspects need some of the suplies so they kill the dog and the owner would have to give them what they want before they kill the other 1.