Final answer:
Byron de la Beckwith was convicted for the murder of civil rights activist Medgar Evers on February 5, 1994, in a trial that underscored the legal system's struggle with civil rights era crimes.
Step-by-step explanation:
Byron de la Beckwith, a white supremacist, was tried and convicted on February 5, 1994, for the murder of Medgar Evers, a prominent civil rights advocate and NAACP field secretary. It took nearly 31 years to bring justice in this case. De la Beckwith was given a life sentence after a lengthy judicial process which reflected the struggle and delay in addressing civil rights era crimes. Medgar Evers played a crucial role in the fight for civil rights, particularly by promoting voter registration among African Americans and gathering critical evidence in the Emmett Till murder case. His assassination and the subsequent trials of his killer highlighted systemic issues within the American legal system, specifically the challenges faced when dealing with racially motivated crimes.