The trial is in recess until Monday at 10 a.m. Eastern time.

Former Minneapolis police officer Derek Chauvin said Thursday that he has declined to testify in his own trial for the death of George Floyd, invoking his Fifth Amendment right against self-incrimination. Chauvin’s defense team announced it rested its case.

After the testimony portion of the trial concluded, Judge Peter Cahill said the jury would enter deliberations following Monday’s closing arguments from both sides.

Here’s what you need to know:

  • Cahill ruled Thursday that new evidence brought to light by the prosecution on the carbon monoxide levels in Floyd’s blood would not be admissible to the court. Prosecutor Jerry Blackwell said Andrew Baker, the Hennepin County medical examiner who performed Floyd’s autopsy, had called them to dispute the testimony of David Fowler, a former chief medical examiner for the state of Maryland, suggesting Floyd’s possible exposure to carbon monoxide from the exhaust fumes of a police squad car may have contributed to his death.
  • Martin Tobin, an Illinois pulmonologist who was recalled to the stand by the prosecution Thursday, also disputed Fowler’s claim, saying Floyd’s maximum exposure to carbon monoxide would have been 2 percent — a normal, healthy range for people.
  • Fowler, who testified that heart disease and drug use were to blame for Floyd’s death, said during cross-examination Wednesday that the 46-year-old should have received immediate medical attention to reverse his cardiac arrest.
  • Fowler testified to defense attorney Eric J. Nelson that it appeared Chauvin’s knee did not injure Floyd’s neck.