Sandra Bland, It Turns Out, Recorded Her Own Video of Traffic Stop Confrontation

AUSTIN, Tex. — 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 Ms. Bland’s family to call for a renewed investigation into her arrest and death nearly four years ago.

Ms. Bland, a 28-year-old African-American from Chicago, was taken into custody in southeast Texas following the confrontational 2015 traffic stop and was found hanging in a jail cell three days later in what was...