He shot first.
Han Solo is a smuggler working for the Rebel Alliance. He is also captain of the Millenium Falcon. Him and his buddy Chewbacca were recruited by Luke Skywalker to assist them on a trip to Alderaan, and he ended up playing a pivotal role in the Galactic Civil War.
It is rumoured that he owns the only published copy of the Galactic Travel Guide.
Han is recruited by Obi-Wan Kenobi.
Han Shoots... first, we hope...