Legal experts are handing Karen Read's defense team the win for Friday's heated cross-examination of Massachusetts State Police Sgt. Yuri Bukhenik – who returned for his second day on the stand as prosecutors look to convince the jury that Read fatally struck her boyfriend, Boston cop John O'Keefe, and left him to die in a blizzard in January 2022.During hours of cross-examination from defense attorney Alan Jackson, the homicide investigator was asked to read a long string of text messages exchanged between Read and Brian Higgins, a Canton-based ATF agent with whom she was flirting behind O’Keefe’s back. Having Bukhenik read