The world continues to mourn and speak out for justice in the killing of George Floyd. The 46-year-old died while in police custody after an officer pinned him to the ground with his knee for several minutes in a Minnesota neighborhood, as Blavity previously reported.

A video surfaced online showing the encounter as Floyd pleaded to breathe.

“Please, please, please I can’t breathe. Please, man,” Floyd can be heard saying in the video.

In the wake of his senseless death, here are five things you should know about Floyd.