46-year-old black man, after a convenience store employee called 911 and told the police that Mr. Floyd had bought cigarettes with a counterfeit $20 bill. Seventeen minutes after the first squad car arrived at the scene, Mr. Floyd was unconscious and pinned beneath three police officers, showing no signs of life. By combining videos from bystanders and security cameras, reviewing official documents and consulting experts, The New York Times reconstructed in detail the minutes leading to Mr. Floyd’s death. Our video shows officers taking a series of actions that violated the policies of the Minneapolis Police Department and turned fatal, leaving Mr. Floyd unable to breathe, even as he and onlookers called out for help. The day after Mr. Floyd’s death, the Police Department fired all four of the officers involved in the episode. On May 29, the Hennepin County attorney, Mike Freeman, announced third-degree murder and second-degree manslaughter charges against Derek Chauvin, the office...