A murder in the ballroom

Every year bachelors from all over the world come to dance with the young debutantes at the Spring Ball. Everyone seemed to be enjoying themselves, until the lights went out, and a scream echoed around the room. It happened in an instant - as soon as the light came back, the victim was lying lifeless in the center of the ballrooom floor. Who could be the murderer? This is a randomly generated logic puzzle. The characters and clues will be different each time. WASD to move, Left click to interact.