FILE - In this undated photo provided by the Bland family, Sandra Bland poses for a photo. Bland, a black 28-year-old from suburban Chicago, was found dead in jail on July 13, 2015. Texas authorities have said Bland hanged herself with a garbage bag, a finding that her family disputes. She was in custody after a traffic stop for failing to use a turn signal escalated into a physical confrontation with a white state trooper. (Courtesy of Bland family, File)The family of Sandra Bland filed a wrongful death lawsuit on Tuesday against a Texas trooper, a sheriff’s office and her jailers, accusing them of being responsible for the woman’s apparent suicide in a county jail.