Witness Donald Williams has testified for the second time during Derek Chauvin's trial.
He said he called 911 during George Floyd's killing, "because I believed I witnessed a murder."Chauvin has denied charges of second and third-degree murder, and manslaughter, over the death of Floyd last May.
He faces up to 40 years in prison if convicted of the most serious charges.
Derek Chauvin
Witness
George Floyd
The trial of Derek Chauvin will continue on Wednesday, a day after several eyewitnesses described the events that led up to the..
Chauvin faces murder and manslaughter charges for the death of George Floyd. The prosecution continued laying out its case,..
