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US EXPLAINER: Why is 'excited delirium' cited at Chauvin trial?

02:20  14 april  2021
02:20  14 april  2021 Source:   msn.com

EXPLAINER: Was officer's knee on Floyd's neck authorized?

  EXPLAINER: Was officer's knee on Floyd's neck authorized? CHICAGO (AP) — A critical factor for jurors to consider at a former Minneapolis police officer's trial in George Floyd's death is whether he violated the department's policy on neck restraints when he knelt on Floyd's neck. 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 — provided certain guidelines and conditions were followed.

MINNEAPOLIS (AP) — The attorney for the former Minneapolis police officer on trial in George Floyd ’s death revisited the disputed concept of excited delirium Tuesday in an effort to show that the force Derek Chauvin used was objectively reasonable given Floyd's resistance.

In this image from police body cam video, Minneapolis police officers attempt to place George Floyd in a police vehicle, on May 25, 2020, outside Cup Foods in Minneapolis, as it is shown Wednesday, March 31, 2021, in the trial of former Minneapolis police Officer Derek Chauvin in the death of Floyd, at the Hennepin County Courthouse in Minneapolis. (Court TV via AP, Pool) © Provided by Associated Press In this image from police body cam video, Minneapolis police officers attempt to place George Floyd in a police vehicle, on May 25, 2020, outside Cup Foods in Minneapolis, as it is shown Wednesday, March 31, 2021, in the trial of former Minneapolis police Officer Derek Chauvin in the death of Floyd, at the Hennepin County Courthouse in Minneapolis. (Court TV via AP, Pool)

Chauvin, 45, who is white, is charged with murder and manslaughter. Floyd, a 46-year-old Black man, was arrested outside a neighborhood market on May 25, accused of trying to pass a counterfeit $20 bill. A panicky-sounding Floyd struggled and claimed to be claustrophobic as police tried to put him in a squad car. Chauvin then kept his knee on Floyd's neck for 9 1/2 minutes while Floyd was pinned to the pavement, even after he stopped resisting.

Minneapolis officers line up to reject Chauvin's actions

  Minneapolis officers line up to reject Chauvin's actions MINNEAPOLIS (AP) — The parade of Minneapolis police officers rejecting a former officer’s actions in restraining George Floyd continued at his murder trial, including a use-of-force instructor who said officers were coached to “stay away from the neck when possible.” Lt. Johnny Mercil on Tuesday became the latest member of the Minneapolis force to take the stand as part of an effort by prosecutors to dismantle the argument that Derek Chauvin was doing what he was trained to do when he put his knee on George Floyd’s neck last May.

In this image from video, defense attorney Eric Nelson questions Minneapolis Police Officer Nicole Mackenzie as Hennepin County Judge Peter Cahill presides, Tuesday, April 13, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis, Minn.  Chauvin is charged in the May 25, 2020 death of George Floyd.  (Court TV via AP, Pool): George Floyd Officer Trial © Provided by Associated Press George Floyd Officer Trial

Thomas Lane, a rookie officer at the scene, can be heard on body camera video as officers hold Floyd down, asking whether Floyd might be experiencing excited delirium.

HOW HAS EXCITED DELIRIUM COME UP?

The subject came up again Tuesday as defense attorney Eric Nelson recalled Nicole Mackenzie, a Minneapolis police officer who trains other officers in medical care and testified for the prosecution earlier.

In this image from video, Minneapolis Police Officer Nicole Mackenzie testifies as Hennepin County Judge Peter Cahill presides, Tuesday, April 13, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis, Minn.  Chauvin is charged in the May 25, 2020 death of George Floyd.  (Court TV via AP, Pool) © Provided by Associated Press In this image from video, Minneapolis Police Officer Nicole Mackenzie testifies as Hennepin County Judge Peter Cahill presides, Tuesday, April 13, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis, Minn. Chauvin is charged in the May 25, 2020 death of George Floyd. (Court TV via AP, Pool)

Mackenzie told the jury that new officers are told how to recognize the signs of excited delirium. Suspects may be incoherent, she said, exhibit extraordinary strength, sweat or suffer from abnormal body temperature, or seem like they suddenly snapped. They're taught that cardiovascular disease, drug abuse or mental illness can trigger excited delirium, she said.

Expert: Lack of oxygen killed George Floyd, not drugs

  Expert: Lack of oxygen killed George Floyd, not drugs MINNEAPOLIS (AP) — George Floyd died of a lack of oxygen from the way he was held down by police, a retired forensic pathologist testified Friday at former Officer Derek Chauvin's murder trial. The testimony of Lindsey Thomas, who retired in 2017 from the Hennepin County Medical Examiner's office in Minneapolis, bolstered the findings of other experts on Thursday who rejected the defense theory that Floyd’s drug use and underlying health problems killed him.

In this image from video, Minneapolis Police Officer Nicole Mackenzie testifies as Hennepin County Judge Peter Cahill presides, Tuesday, April 13, 2021, in the trial of former Minneapolis police Officer Derek Chauvin  at the Hennepin County Courthouse in Minneapolis, Minn.  Chauvin is charged in the May 25, 2020 death of George Floyd.  (Court TV via AP, Pool) © Provided by Associated Press In this image from video, Minneapolis Police Officer Nicole Mackenzie testifies as Hennepin County Judge Peter Cahill presides, Tuesday, April 13, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis, Minn. Chauvin is charged in the May 25, 2020 death of George Floyd. (Court TV via AP, Pool)

But Mackenzie told the jury that she would defer to an emergency room doctor in diagnosing the condition. She also testified that she provides training on excited delirium only to new recruits. Judge Peter Cahill cautioned jurors that there is no evidence that the veteran Chauvin had the training.

WHY DOES IT MATTER?

A key question at Chauvin's trial is whether he used reasonable force in pinning Floyd to the pavement for 9 minutes, 29 seconds while Floyd was handcuffed and lying on his stomach, complaining that he couldn’t breathe. Minneapolis Police Department officials testified earlier that he did not — that Floyd was under control so force should have quickly ended.

Derek Chauvin's defense is using these 3 arguments to try to get an acquittal in George Floyd's death

  Derek Chauvin's defense is using these 3 arguments to try to get an acquittal in George Floyd's death In opening statements and cross-examinations, Chauvin's defense has focused on three main arguments: the "other causes" theory, the "force Is unattractive" theory and the "hostile crowd" theory.A doctor and members of Floyd's family are still expected to testify for the prosecution before they give the defense an opportunity to call witnesses, which could come early this week. Chauvin, 45, has pleaded not guilty to second-degree murder, third-degree murder and second-degree manslaughter charges.

Nelson has emphasized that Floyd was bigger than Chauvin, suggested that people can present a danger even when handcuffed, and that handcuffs can fail. He has also suggested that Chauvin was rightly concerned about angry onlookers. A defense use-of-force expert, Barry Brodd, a former Santa Rosa, California, police officer, testified Tuesday that Chauvin was justified in pinning Floyd to the ground because of his frantic resistance.

WHAT DOES SCIENCE SAY ABOUT EXCITED DELIRIUM?

Some medical examiners in recent decades have attributed in-custody deaths to excited delirium, often in cases where the person had become extremely agitated after taking drugs, having a mental health episode or other health problem. But there is no universally accepted definition of it and researchers have said it’s not well understood.

In this image from video, defense attorney Eric Nelson questions Minneapolis Police Officer Nicole Mackenzie as Hennepin County Judge Peter Cahill presides, Tuesday, April 13, 2021, in the trial of former Minneapolis police Officer Derek Chauvin  at the Hennepin County Courthouse in Minneapolis, Minn.  Chauvin is charged in the May 25, 2020 death of George Floyd.  (Court TV via AP, Pool) © Provided by Associated Press In this image from video, defense attorney Eric Nelson questions Minneapolis Police Officer Nicole Mackenzie as Hennepin County Judge Peter Cahill presides, Tuesday, April 13, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis, Minn. Chauvin is charged in the May 25, 2020 death of George Floyd. (Court TV via AP, Pool)

The American Psychiatric Association’s diagnostic handbook doesn’t list the condition and one study last year concluded it is mostly cited as a cause only when the person who died had been restrained.

EXPLAINER: Prosecution explores Floyd's 'spark of life'

  EXPLAINER: Prosecution explores Floyd's 'spark of life' MINNEAPOLIS (AP) — Prosecutors trying a white former Minneapolis police officer in George Floyd’s death put one of Floyd’s brothers on the witness stand Monday in a further effort to humanize him for the jury and counter the defense narrative that Floyd was at least partially responsible for his own death due to his use of illegal drugs. Philonise Floyd, who has frequently occupied the Floyd family's sole seat in the socially distanced courtroom, was allowed to testify under a legal doctrine called “spark of life.

In this image taken from video, witness Dr. Bill Smock, a Louisville physician in forensic medicine, testifies as Hennepin County Judge Peter Cahill presides, Thursday, April 8, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis. Chauvin is charged in the May 25, 2020, death of George Floyd. (Court TV via AP, Pool) © Provided by Associated Press In this image taken from video, witness Dr. Bill Smock, a Louisville physician in forensic medicine, testifies as Hennepin County Judge Peter Cahill presides, Thursday, April 8, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis. Chauvin is charged in the May 25, 2020, death of George Floyd. (Court TV via AP, Pool)

Earlier in the trial, Dr. Bill Smock — an expert in forensic medicine who works as a police surgeon for the Louisville Metro Police Department in Kentucky and as a professor of emergency medicine at the University of Louisville — testified that he believes excited delirium is real. But he said Floyd met none of the 10 criteria developed by the American College of Emergency Physicians. A minimum of six signs are required for the diagnosis, he said.

In this image taken from video witness Dr. Bill Smock, a Louisville physician in forensic medicine testifies as Hennepin County Judge Peter Cahill presides Thursday, April 8, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis, Minn. Chauvin is charged in the May 25, 2020 death of George Floyd. (Court TV via AP, Pool) © Provided by Associated Press In this image taken from video witness Dr. Bill Smock, a Louisville physician in forensic medicine testifies as Hennepin County Judge Peter Cahill presides Thursday, April 8, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis, Minn. Chauvin is charged in the May 25, 2020 death of George Floyd. (Court TV via AP, Pool)

A medical examiner in New York concluded that Daniel Prude was in a state of excited delirium in 2020 when police in Rochester put a hood over his head and pressed his naked body against the pavement. Prude, a Black man, lost consciousness and died. State Attorney General Letitia James issued a report recommending that officers be trained to recognize the symptoms of excited delirium.

Defense set to take turn in ex-cop's trial in Floyd death

  Defense set to take turn in ex-cop's trial in Floyd death MINNEAPOLIS (AP) — The defense for a former Minneapolis police officer charged in George Floyd's death was set to start presenting its case Tuesday, following 11 days of a prosecution narrative that combined wrenching video with clinical analysis by medical and use-of-force experts to condemn Derek Chauvin's actions. Prosecutors called their final witnesses Monday, leaving only some administrative matters before they were expected to rest Tuesday. Once the defense takes over, Chauvin attorney Eric Nelson is expected to have his own experts testify that it was Floyd's drug use and bad heart, not Chauvin's actions, that killed him.

Elijah McClain — a Black man put in a stranglehold by officers in Aurora, Colorado, in 2019 — was injected with ketamine after first responders said he was experiencing excited delirium. He wound up on life support and later died.

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Find AP’s full coverage of the death of George Floyd at: https://apnews.com/hub/death-of-george-floyd

In this image taken from video witness Dr. Bill Smock, a Louisville physician in forensic medicine testifies as Hennepin County Judge Peter Cahill presides Thursday, April 8, 2021, in the trial of former Minneapolis police Officer Derek Chauvin at the Hennepin County Courthouse in Minneapolis, Minn. Chauvin is charged in the May 25, 2020 death of George Floyd. (Court TV via AP, Pool): George Floyd Officer Trial © Provided by Associated Press George Floyd Officer Trial

The charges against Derek Chauvin in the death of George Floyd, explained .
What was going through Derek Chauvin's mind when he kneeled on a handcuffed, proned George Floyd for nine minutes and 29 seconds last May? That key question is at the heart of the charges against him.That key question is at the heart of the three charges against the former Minneapolis Police officer and will be top of mind for jurors when their deliberations begin. To render a verdict, they'll also have to interpret Minneapolis Police policies, Floyd's cause of death, and the specific language of the law.

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This is interesting!