As Trooper Brian Encinia angrily threatened her with a stun gun from just outside her car window, Sandra Bland recorded the encounter on her cellphone, shown in a newly released, 39-second video that has prompted Bland's family to call for a renewed investigation into her arrest and death nearly four years ago.

Bland, a 28-year-old African American from the Chicago area, was taken into custody in southeast Texas following the confrontational 2015 traffic stop and was dead in a jail cell three days later in what was officially ruled a suicide. The case, which drew international attention, intensified outrage over