if the Hawaii state law allows such meetings to be private, how would if be an unconstitutional infringement of the press?  the purpose of their meeting is not to determine if the chief committed a crime but whether he should be retained, terminated or something else.  the cause for their action is misconduct, not whether the chief is charged with or convicted of  a crime.  BTW a federal grand jury is a secret process also.  so where are they violating anyone's constitutional rights,  except protecting the chief's right to privacy regarding employment matters.