Key moments in Derek Chauvin's murder trial

Key moments in Derek Chauvin's murder trial

Opening statements were made

Teenager Darnella Frazier filmed Floyd's death on her cellphone

and gave emotional testimony on the stand

A police chief said Chauvin violated policy and training

The chief medical examiner stood by the autopsy report

saying that Floyd's death was a homicide caused by Chauvin's actions

George Floyd's brother recalled their childhood

A use of force expert said Chauvin's actions were justified

A defense expert refuted the medical examiner findings

Chauvin waived his right to testify