What must be proven in a court of law to hold someone in contempt for ignoring a subpoena?

In order to hold someone in contempt for ignoring a subpoena, it is necessary to establish multiple elements, which is why the answer encompasses all relevant aspects. Firstly, the individual must have knowledge of the subpoena; without awareness of its existence, one cannot be expected to comply. Additionally, showing that the individual failed to appear as required by the subpoena is essential to prove that contempt has occurred. Lastly, demonstrating intent to deceive can strengthen the case, as it indicates willfulness in ignoring the legal order. Thus, all these elements together form a comprehensive basis for establishing contempt in a legal setting, making the inclusive option the correct choice.