Karen Read’s defense called its first witness on Friday, marking a new phase in her retrial in the killing of John O’Keefe, her off-duty Boston police officer boyfriend whose body was found buried in the snow outside a home in Canton,

A Karen Read attorney began the first day of the defense’s case arguing that the whole case should be thrown out. That motion was denied, though the argument sets up the case that is to follow. Follow along in the video player below.

The Karen Read trial is now in the hands of the defense, which is set to call its first witness today. The prosecution rested its case in the high-profile Massachusetts murder trial on Thursday after weeks of testimony from 38 witnesses.