Byron Simpson, a.k.a. Guilty Simpson is a rapper from Detroit, Michigan. His stage name is an allusion to the O.J. Simpson murder case. He is signed to Stones Throw Records. He is also known for being a favorite of the late producer J Dilla. His debut is to include production from him. He is also affiliated with the Detroit hip hop collective Almighty Dreadnaughtz and a member of the rap trio Random Axe with Black Milk and Sean Price.