Eight people have been killed in brutal interactions with U.S. agents along the border in the past two years, according to a new PBS segment set to air Friday.

The segment looks into the use of excessive force by border patrol, particularly in the death of Anastasio Hernández-Rojas, an undocumented immigrant who was apprehended while trying to cross the border near San Diego, Calif., in 2010.

Hernández-Rojas died after he was tased by agents who claimed he became “combative”, but new eye-witness videos uncovered by PBS tell a different story. The videos show Hernández laying passively on the ground, screaming for help while surrounded by over a dozen agents.

Read the full story at Univision News