It’s been a month since testimony began in Karen Read’s second trial for the murder of John O’Keefe, and the new trial has brought a notable change in presentation.

The Karen Read trial is back in Norfolk Superior Court on Wednesday as crash reconstruction expert Judson Welcher is back on the stand for a second day of testimony. Welcher could be the last witness before the prosecution rests its case.

Defense attorneys grilled a crash reconstruction expert on his methods during the sixth week of Karen Read’s second murder trial. Prosecutors say Read backed her SUV into her boyfriend,