The most simple story seems to be the correct one - Caylee Anthony was killed, her body was then put in a garbage bag in the trunk of her mother's car with other trash, she drove over to the A's house while they were not home. Casey Anthony backed her car up to the house and removed the body from the car and placed it in the backyard where the dogs hit, she walked over to the neighbor, borrow the shovel, she used the pool ladder toward the back fence, threw the bag over and carried the bag to the remote area, tried to bury her, left her there and came back to the house cleaned the shovel, threw her dirty clothes in the car a left it there, never cared to clean the car and just dumped it when the smell got bad.