«EXPLAINER: Was officer’s knee on Floyd’s neck authorized?». Prensa Asociada(en inglés). 5 de abril de 2021. Consultado el 1 de julio de 2024. «The Minneapolis Police Department banned all forms of neck restraints and chokeholds weeks after Floyd’s death, but at the time of his May 25 arrest by Derek Chauvin and other officers, certain neck restraints were permitted […] The department policy, in place for at least eight years at the time, divided permissible neck restraints into two categories».
Lou Raguse (8 de julio de 2020). «MPD training materials show knee-to-neck restraint similar to the one used on Floyd». KARE-TV (NBC)(en inglés). Consultado el 1 de julio de 2024. «30 pages of MPD training materials, including information on a restraint called the "maximal restraint technique," and a photo of an officer with his knee to a suspect's neck similar to the hold used by former officer Derek Chauvin on Floyd».
Elisha Fieldstadt (1 de junio de 2020). «New video shows Minneapolis officers appear to struggle with George Floyd in back of patrol car». NBC News(en inglés). Consultado el 21 de diciembre de 2024. «Newly released video appears to show four police officers struggling with George Floyd in the back of a patrol car [...] the complaint said. "The officers made several attempts to get Mr. Floyd in the backseat of squad 320 from the driver’s side. Mr. Floyd did not voluntarily get in the car and struggled with the officers by intentionally falling down, saying he was not going in the car, and refusing to stand still," it said.»
Robles, Frances (2 de junio de 2020). «How Did George Floyd Die? Here’s What We Know». The New York Times(en inglés). Consultado el 3 de junio de 2020. «A private autopsy commissioned by the family concluded that his death was a homicide. The cause of death, according to the private autopsy, was mechanical asphyxia and the manner of death was homicide. Shortly after the family’s autopsy findings were announced, the Hennepin County medical examiner released its own findings, also concluding that the manner of death was homicide.»