Disputed dog bite expert’s testimony to resume [Video]

A key defense expert in the Karen Read case is expected to return to the courtroom on Tuesday to resume a hearing to decide whether her testimony will be permitted in the upcoming second trial. Read, 44, of Mansfield, is accused of hitting her boyfriend, Boston police officer John O’Keefe, with her SUV outside a Canton, Massachusetts, home on Jan. 29, 2022, and leaving him to die in a snowstorm following a night of drinking at two bars.Her first trial ended July 1 with a hung jury, and she is attempting to convince the Supreme Judicial Court to drop some charges while she awaits a second trial.Live updates from court: 10:20 a.m. “No car accident scenario could create that configuration of wounds on the arm,” Russell says.10:18 a.m. Russell says she did not know that O’Keefe’s DNA was found on car parts or that one of O’Keefe’s hairs was found …