The retrial proceedings of Karen Read, facing charges in the death of her boyfriend, Boston Police Officer John O’Keefe, will see a notable presence in Hank Brennan, a defense attorney with a history of high-profile cases, including James “Whitey” Bulger. Norfolk District Attorney Michael Morrissey has appointed Brennan as a special assistant DA to spearhead the retrial, a move reflecting the complexities involved in the case at hand, according to NBC Boston’s coverage.