A fired criminal investigator has filed a lawsuit alleging retaliation against him for complaining about Governor Terry Branstad's speeding vehicle and other misconduct. Former Division of Criminal Investigation agent Larry Hedlund filed the wrongful termination lawsuit Thursday. His lawsuit names Public Safety Commissioner Brian London, DCI Director Chari Paulson and Assistant DCI Director Gerard Meyers. The department has denied retaliation, saying Hedlund was fired for writing disrespectful e-mails about Paulson's leadership and other unbecoming conduct. The lawsuit doesn't name Branstad, who appointed London to run the department last year.