Venezuelan journalist Roberto Deniz and director Juan Ravell talk about ‘A Dangerous Assignment.’

In a separate settlement, the city of Uvalde will pay $2 million to the families, create a permanent memorial to the victims and provide enhanced training for police officers.

“Decades after ‘separate but equal’ was supposed to end, we still have millions of kids who are attending what are essentially single-race schools,” Jacqueline Nowicki, director of Education, Workforce and Income Security at the U.S. Government Accountability Office told FRONTLINE.

The director and reporter of FRONTLINE and Armando.info's documentary ‘A Dangerous Assignment’ spoke about the price that journalists pay for investigating the powerful in Venezuela.

Roberto Deniz, a Venezuelan investigative journalist, talks about the FRONTLINE & Armando.info documentary ‘A Dangerous Assignment,’ which examines a shadowy figure at the center of a corruption scandal.

With press freedom under threat in various countries around the world, FRONTLINE has been covering stories of journalists holding power to account and the forces working against them.

Police in the U.S. have been warned for decades that the common tactic of handcuffing someone facedown could turn deadly if officers pin them on the ground with too much pressure or for too long. What some officers are doing today conflicts with what has long been recognized as safe, a deadly disconnect that highlights ongoing failures in police training, an Associated Press investigation has found.

In hundreds of deaths where police used force meant to stop someone without killing them, officers violated well-known guidelines for safely restraining and subduing people multiple times, an Associated Press investigation found.