When I heard about the tragic murder of 18-year-old Nia Wilson, who was stabbed to death in an unprovoked attack in Oakland last month, I could feel my heart begin to bleed. My community of black women were grieving yet again. As we grappled with the realities of Nia’s death, I began to use Instagram to facilitate a discussion and flesh out questions like: How many more black women and girls must die before mainstream media considers it a worthy story to cover? How could they possibly take away her white male murderer so gently in handcuffs, while black men...