According to video released on Friday, Chicago police officers were caught checking around them to make sure that their body cams were off before the high-fived following the death of 18-year-old Paul O’Neal.

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Attorney Michael Oppenheimer said that O’Neal’s family was devastated after having viewed the video of their son’s death.

–Eric Garner proves body cameras won’t save black me

“We just came from watching Chicago police officers execute Paul O’Neal. … It is one of the most horrific things that I have seen, aside from being in a movie. These police officers decided to play judge, jury and executioner,” he said. “It is amazing to me. It is horrific, it is tragic, that these officers did what they did and took their street justice in their own hands—the things that they are trying to prevent, or supposed to prevent.”

“My heart is completely broken,” said Jedidiah Brown, a Chicago activist. “I felt like that was a tear right down the middle of this relationship between the community and police, and I think it’s going to even further divide communities in Chicago as it relates to public safety in the city.”

–Are your cops wearing body cameras?

Check out the dashcam video below. Viewer discretion is advised.