A demonstrator holds a Sandra Bland sign during a vigil, Tuesday evening, July 28, 2015,  near the DuSable Bridge on Michigan Ave. in Chicago. Bland died in a Texas county jail after the traffic stop for failing to use a turn signal escalated into a physical confrontation. Authorities have said Bland hanged herself, a finding her family disputes. The death has garnered national attention amid increased scrutiny of police treatment of blacks in the wake of several high-profile police-involved deaths. (AP Photo/Christian K. Lee) ** FILE **
{}