Explain what happens to Emmett. How does Hiram react to the news?

Emmett is the murder victim of the case, a famous historical figure in real life whose death was one of the factors that sparked the widespread civil rights movement in America. A black teenager and the victim of a racist hate crime, his body was found brutally tortured and disfigured floating in a lake. The events of Mississippi Trial, 1955 center around his death and the undeniable racist and violent ideals that led to it. Hiram is disturbed by this and vows to help bring the killers to justice.