The Non-Canon Expert looks at how Darth Sidious was able to learn the identity of the Rebel pilot who destroyed the Death Star and that he was a «Skywalker,» as well as recognize the connections that existed between the Rebel pilot and his apprentice Darth Vader, which would culminate in Darth Sidious revealing this knowledge to his apprentice in Episode 5: The Empire Strikes Back. This is a Legends story for Darth Vader, Darth Sidious, and the events following Episode 4: A New Hope with information found within the Legends comic «Star Wars: Vader’s Quest» and the Legends novel «Star Wars: Dark Lord: The Rise of Darth Vader.»