Subpoena Information

  1. I have been subpoenaed by the District Attorney to appear as a witness in a criminal case. Is there a phone number to call or a web site to find out if I need to appear?
  2. I have been subpoenaed by the District Attorney to appear as a witness in a criminal case. What if I can't attend on the date?
  3. Who do I call to get more information about why I am being subpoenaed?