The forensic scientist will continue her testimony under cross-examination when the trial resumes at 9 a.m. Thursday. Read, 45, is charged with second-degree murder in the death of O’Keefe, who was found outside the home of a fellow Boston police officer on Jan. 29, 2022.

Yuri Bukhenik, a Massachusetts State Police trooper, said he never saw the "vile term" his former subordinate used to describe Karen Read.