Section 215.70. Unlawful grand jury disclosure

A  person  is  guilty  of unlawful grand jury disclosure when, being a
  grand juror, a public prosecutor, a grand  jury  stenographer,  a  grand
  jury interpreter, a police officer or a peace officer guarding a witness
  in  a  grand  jury  proceeding,  or  a clerk, attendant, warden or other
  public servant having official duties in or about a grand jury  room  or
  proceeding,  or  a  public  officer or public employee, he intentionally
  discloses  to  another  the  nature  or  substance  of  any  grand  jury
  testimony,  or  any  decision,  result or other matter attending a grand
  jury proceeding which is required by law to be kept  secret,  except  in
  the proper discharge of his official duties or upon written order of the
  court.     Nothing  contained  herein  shall  prohibit  a  witness  from
  disclosing his own testimony.
    Unlawful grand jury disclosure is a class E felony.