An Illinois Subpoena Ducks Cecum is a court order requiring a person or entity to provide documents or other tangible evidence to the court or another party in a legal proceeding. The most common types of Illinois Subpoena Ducks Cecum are the civil subpoena and the criminal subpoena. A civil Subpoena Ducks Cecum requires the recipient to produce documents or other tangible evidence to the court or other party in a civil case. A criminal Subpoena Ducks Cecum requires the recipient to produce documents or other tangible evidence to the court or other party in a criminal case. The documents or other tangible evidence may include audio or video recordings, emails, text messages, photographs, computer files, and physical objects. The Illinois Subpoena Ducks Cecum must be served upon the person or entity to whom it is directed, and must include the date, time, and place of the hearing or trial at which the documents or other tangible evidence will be required. Failure to follow the Subpoena Ducks Cecum may result in a contempt of court charge.