Michael Proctor, the fired Massachusetts State Police trooper who worked as the lead investigator in the Karen Read case, returned to court on Tuesday in connection with a separate murder investigation.

The head of the Massachusetts State Police says firing Michael Proctor was a “righteous decision” — and that he doesn’t expect the former trooper’s appeal to the Civil Service Commission to

King is one of at least three defendants seeking information about Proctor from the federal materials, which are under a secrecy order.