In events of Batman v Superman: Dawn of Justic, after the two protagonists were done fighting each other, owing to the fact that their mothers shared the same name, Batman says, he is going after Martha. He did not know where she was, but Alfred did and he lets him know her location.
How does Alfred know where she was? I want to know how did he tracked Martha?
It was shown that they were tracking the Russian man, but how did he know that he kidnapped her?