The killing of George Floyd led to huge protests against racial discrimination in cities across the US and around the world, sparking conversations about racism and police treatment of African Americans. Now the case is back in the spotlight because Derek Chauvin, the police officer charged with the killing is facing trial - and the jurors have started to be selected. Here's what you need to know. Subscribe to #BBCMyWorld here: null BBC My World makes content about global issues for youth audiences around the world. This channel is brought to you by executive producers Angelina Jolie and the BBC World Service to show you the news behind the headlines, how to fact-check stories and spot fake news.