Kneeling on Floyd's neck violated policy, 'values', testifies police chief

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A Texas high school teacher has landed in hot water after giving freshman students in his communications class an assignment to watch the Derek Chauvin trial and act as mock jurors without their parents' consent.

Mr Floyd's heart was not beating enough to "sustain life" at any point after his admission to the hospital, Dr Lagenfeld said.

Dr. Bradford Langenfeld, who was a senior resident on duty that night at Hennepin County Medical Center and tried to resuscitate Floyd, took the stand as prosecutors sought to establish that it was Chauvin's knee on the Black man's neck that killed him.

Under questioning by prosecutor Jerry Blackwell, Langenfeld said that based on the information he had, death by asphyxiation was "more likely than the other possibilities".

Mr Chauvin, 45, is charged with the murder and manslaughter of Mr Floyd's death.

Others who testified last week included the teenager that recorded the now-infamous bystander video that showed Chauvin kneeling on Floyd's neck for more than eight minutes.

In this image from video, defense attorney Eric Nelson, left, and defendant former Minneapolis police Officer Derek Chauvin, listen, April 5, 2021, in the trial of Chauvin at the Hennepin County Courthouse in Minneapolis. An autopsy found fentanyl and methamphetamine in Floyd's system.

Cher has apologized after receiving backlash for insisting she could have saved police brutality victim George Floyd. A summary report listed fentanyl intoxication and recent methamphetamine use under "other significant conditions" but not under "cause of death". A narcotics antidote such as Narcan also does not help once someone is in cardiac arrest, Langenfeld said. They are trained in basic first aid and given annual refresher courses, be it in tying a tourniquet to a bleeding gunshot victim or using a naloxone inhaler to reverse an opioid overdose.

The doctor also told the court that paramedics made no mention that Floyd may have suffered a drug overdose before he was brought to the hospital.

"It is contrary to our training to indefinitely place your knee on a prone, handcuffed individual for an indefinite length of time", the police chief of the Minnesota city said. He said there is an approximately 10% to 15% decrease in survival for every minute that CPR is not administered.

A prosecutor asked him to explain to the jury how police officers receive extensive training on how to use force and to reduce tensions.

The trial is expected to turn toward the officer's training Monday after the first week was dominated by testimony from eyewitnesses into the incident and George Floyd's death.

Arradondo, the city's first Black chief, fired Chauvin and three other officers the day after Floyd's death last May, and in June called it "murder". "Chauvin knew what he was doing".

Instead, he told his manager, and one of Martin's coworkers later called the police - setting into motion a chain of events that led to Floyd's death.

Arradondo made some quick changes, including toughening department policy on use of body cameras and requiring all officers to go through training that stresses respectful interaction with the public.

"The goal is to resolve the situation as safely as possible".

The police chief testified Monday he believed Chauvin was attempting a conscious neck retraint but held it far longer than department policy allowed.

Derek Chauvin violated Minneapolis Police Department rules and its ethics code on respecting the "sanctity of life" during the deadly arrest of George Floyd last May, the city's police chief testified at the former officer's murder trial on Monday.

Prosecutors have already called supervisory officers to build the case that Chauvin improperly restrained Floyd. A duty sergeant and a lieutenant who leads the homicide division both questioned Chauvin's actions in pinning Floyd after officers responded to a report that Floyd had passed a counterfeit $20 bill.

"They said nearly verbatim: 'Have you seen the video of your officer choking and killing that man at 38th and Chicago?'" Arradondo recalled.

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