What is the name of Walter McMillian's older sister?

Walter McMillian's older sister is named Armelia. This detail is significant as it contributes to the development of McMillian's backstory in "Just Mercy." The narrative highlights his family relationships and their impact on his life, adding depth to his character and illustrating the broader social context in which he and others are intertwined. Armelia's presence in the story underscores the familial ties and community connections that are vital to understanding the injustices McMillian faced, particularly within the framework of systemic racism and wrongful incarceration.