Once Ruslan is sure that Liz, Katherin and Roxy are inside, he thinks for the next one to move in. He sees Cassandra struggling, so she should be the next one going in. But she appears to be trying to chase Moe, so stopping that dog is the best strategy if they want Cassandra to move in. Hence, he drives toward Moe, while wondering how should one convince an animal to stop and get inside the carrier.