Philonise Floyd told the jury about how they grew up poor in Houston, his brother's passion for sports, his marginal cooking skills and how he was devastated by his mother's death.
Dr. Lindsey Thomas was the fourth medical expert called by the Minnesota attorney general's office as prosecutors looked to dismantle Chauvin's central defense.
He also emphatically rejected the defence theory that Floyd's drug use and underlying health problems were what killed him.
Chauvin, 45, is charged with murder and manslaughter in Floyd's death May 25.
Sgt. Ker Yang, the Minneapolis police official in charge of crisis-intervention training, said officers are taught to ``slow things down and re-evaluate and reassess.''
The doctor who pronounced George Floyd dead after trying to resuscitate him testified Monday that he theorized at the time that Floyd most likely died of suffocation.
The video was part of a mountain of footage and witness testimony this week in Derek Chauvin's trial in Floyd's death.
Here's a look at some of the key figures and elements at trial.
So far, 13 jurors have been seated for Derek Chauvin's trial on murder and manslaughter charges, but the process is still underway.
The potential jurors -- who must be at least 18, U.S. citizens and residents of Hennepin County -- were sent questionnaires to determine how much they have heard about the case.
Floyd, a Black man who was handcuffed, died May 25 after Chauvin, who is white, pressed his knee against Floyd's neck as Floyd said he couldn't breathe.
The announcement of the firing came shortly after the FBI joined Illinois State Police in investigating the shooting late Tuesday of Marcellis Stinnette, 19, and the wounding of his girlfriend, Tafara Williams.
The third-degree murder charge filed against Derek Chauvin has been dismissed, but a second-degree murder charge remains.
Chauvin is charged with second- and third-degree murder and manslaughter in Floyd's May 25 death in Minneapolis.