PHOTO: ELLEN SHUB/BLACKWIRE

Lezley McSpadden (left), mother of Michael Brown, appeared with Benjamin Crump, attorney for the families of Brown, Trayvon Martin and Stephon Clark at a panel titled “The Movement for Black Lives: Justice for Michael Brown 4 Years Later” April 23 at the Harvard Kennedy School. The discussion focused on the killing of Michael Brown, an unarmed teenager, by a white police officer in Ferguson, Missouri, in 2014, which led to widespread protests and the growth of the Black Lives Matter movement. They were joined by attorney Jasmine Rand and documentary filmmaker Jason Pollack.