Read is accused of striking John O’Keefe with her SUV and leaving him to die alone in a blizzard outside of a house party in Canton.

After the defense wrapped up its questioning of Rentschler, Prosecutor Hank Brennan told the judge he did not plan to call any more witnesses, reversing an earlier request to recall a different crash expert. The lawyers agreed to begin their closing arguments at 9 a.m. Friday. They'll then hand the case to the jury.