It's Day 10 in the #DerekChauvinTrial and the State begins with its first witness of the day: Dr. Lindsey Thomas, who is a forensic pathologist and is being called as an expert witness.
She previously worked as an Assistant Medical Examiner at the Hennepin County Medical Examiner's Office.
A "death investigation" means after someone is found deceased, they will try to find out everything about the decedent and then try to find out everything about the terminal event.
Ultimate goal of an Medical Examiner is to complete information needed on a death certificate, specifically cause and manner of death.
Dr. Thomas helped to train Dr. Andrew Baker, who performed the autopsy on George Floyd.
Dr. Thomas has an impressive background of education, experience, and training.
Dr. Thomas is not being paid for her time and services in this case. She did not ask to be paid. The State reached out to her to ask her to testify. She said she knew this was going to be important and she wanted to help explain what she thinks happened.
She was asked to review several materials and to come to her independent conclusion of the cause and manner of death.

She reviewed the ME report, tox report, slides, Floyd's prior medical history records, interviews, videos, etc.
She knows Dr. Baker and she was one of the staff when he did his fellowship. And she considers him a friend and she was a part of his training.

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More from @KatiePhang

9 Apr
An issue this morning re. a juror, per pool reporters inside the courtroom (& these are not exact quotes):

Judge Cahill: “We’ve had some concerns expressed. I want to go over and see what the story is. Have you had any outside information about what’s going on in the trial?"
Judge: "Like other attorneys that have not appeared on TV, have you seen anyone?”

Juror (a white woman per pool rptr): “I did turn on the TV and saw a lawyer. I didn’t know who she was. I turned it off."

Judge: “Do you know what channel it was on?”
Juror: “No, I turned the TV on to watch a show I record. I noticed the courtroom, saw the lawyer, and turned it off."

Judge: “Do you have indication from family members about what’s going on in the trial?”

Juror: “No.”

Judge: “Anything from your mother-in-law texting?”
Read 5 tweets
9 Apr
Dr. Thomas: "There’s no evidence to suggest [George Floyd] would have died that night except for the interactions with law enforcement."
Although Floyd’s death certificate mentions “other contributing conditions” including heart disease and the presence of fentanyl and methamphetamine, Dr. Thomas testified that these were not the cause of death in Floyd’s case.
Dr. Thomas: George Floyd underwent “physiological stress” as in he feared for his life for more than nine minutes. This physiological stress increased the demand on Floyd’s heart, lungs and muscles, which were already stressed by his restraint.
Read 4 tweets
9 Apr
Dr. Thomas: "unique" is the "volume of materials to review" regarding the terminal event.

She has never had a case before that was this "thorough" due to the use of videos.
Dr. Thomas: I agree with Dr. Baker regarding the cause of death on the death certificate.

Her opinion is the primary mechanism of death was asphyxia or low oxygen.
"Cardiopulmonary arrest" to differentiate from sudden cardiac arrest. "Cardiopulmonary arrest" does not mean heart attack. It just means the heart stopped.
Read 4 tweets
8 Apr
Cross-examination of Dr. Tobin: Chauvin's counsel had Dr. Tobin confirm that he was not paid by the State for his testimony.
Chauvin's defense counsel also tried to get Dr. Tobin to agree that fentanyl could have caused respiratory depression within the same timeframe as restraint-caused respiratory depression.
On re-direct, Dr. Tobin is asked about drugs and Floyd's pre-existing conditions and their possible roles in Floyd’s death.

Dr. Tobin denied that pre-existing conditions caused Floyd’s death.

Q: “Any evidence that he died from methamphetamine?”

A: “No, none.”
Read 4 tweets
8 Apr
Dr. Tobin: the toe of Chauvin's boot is lifted off of the ground so that means that half of Chauvin's body weight plus half of his gear weight - for a total of 91.5 pounds - is coming down directly onto George Floyd's neck.
This is being depicted in Exhibit 943 and it is a compelling exhibit.
Dr. Tobin: the first 5 minutes and 3 seconds of Floyd on the ground: his oxygen levels were enough to keep his brain alive b/c he continued to speak and he was able to verbalize words.

Chauvin's counsel objected & asked for a sidebar after this testimony.
Read 5 tweets
8 Apr
Critical testimony from Dr. Tobin: “Mr Floyd died from a low-level of oxygen and this caused damage to his brain...and it also caused a [pulseless electrical activity] arrhythmia that caused his heart to stop.”
“The cause of the low-level of oxygen was shallow breathing, small breaths...shallow breaths that weren’t able to carry the air through his lungs down to the essential areas [in] his lungs.”
“There are a number of forces that led to the size of his breath becoming so small.”

“He’s turned prone on the street, that he has the handcuffs in place combined with the street, and then that he has a knee on his neck, and that he has a knee on his back."
Read 4 tweets

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