Lezley McSpadden, Sybrina Fulton, and Samaria Rice will be reportedly holding photos of their slain sons in the video.
Black Lives Matter activists and fans urged LeBron to sit out of Monday night's game against the Phoenix Suns, after a Cleveland jury's decision not to indict any police officers in the shooting death of 12-year-old Tamir Rice.
Timothy Loehmann will not face charges in the fatal shooting.
