Briosha Lewis, left, Mary Lloyd, center and Nakiya Brown pray at a memorial for Sandra Bland near Prairie View A&M University, Tuesday, July 21, 2015, in Prairie View, Texas. A newly released dashcam video documents how a routine traffic stop escalated into a shouting confrontation between a Texas state trooper and Bland, which led to her arrest. Bland was found hanging in her jail cell three days after the incident. (AP Photo/Pat Sullivan), APTOPIX