Murder of Santos Rodriguez
On the morning of July 24, 1973, in Dallas, Texas, 30-year-old Dallas police officer Darrell Lee Cain murdered Santos Rodriguez, a 12-year-old Mexican-American child. Officer Cain and Officer Roy R. Arnold were investigating reports of a burglary at a Fina gas station when they took Santos Rodriguez and his 13-year-old brother David Rodriguez from their home for an impromptu interrogation over the burglary.
Source: Wikipedia — Murder of Santos Rodriguez (CC BY-SA 4.0)