Federal District Courts use petit juries since they are are trial courts.
US District Courts.
United States District Courts. District Courts are the point of entry to the federal judiciary for criminal cases. Grand juries are used to determine whether a suspect can be indicted and brought to trial, so they are only applicable at the pre-trial phase.
b. district courts
The United States District Courts use juries.
Because in the federal court system, District Courts are the lowest level of courts of original jurisdiction. Therefore, Constitutionally, defendants appearing for trial before District Courts are entitled to a trial by jury.
US District Courts (trial courts) use juries as triers of fact. The Sixth Amendment guarantees the right to a trial by jury in criminal cases; however, the defendant also has the option of requesting a bench trial where the judge takes the place of the jury.Appellate courts, such as the US Courts of Appeals Circuit Courts and the US Supreme Court, do not use juries because they are not triers of fact. Appellate courts only review cases to determine whether trials were conducted according to law and constitutional protections, in an attempt to ensure the party or parties in the case received a fair hearing.
Traditionally the first and last levels (district and supreme court) used juries; however the practice of juries in the current Supreme Court as well as the US Court of Claims is no longer in use. As a general way to say this, any appellate court does not use juries.
Criminal Court and Civil Court
MD Circuit Courts do have juries. It's District Courts that don't. An explanation is at the first related link below. More information and links about MD courts are at the second related link.
The purpose of federal district courts is to handle small cases, such as those between businesses and people suing other people. The purpose of federal district courts is to handle the small problems that occur that need settling.Another View: US District Courts handle ALL matters (large and small - civil and criminal) which involve federal law and which originate within their jurisdiction. They are the lowest level courts of original jurisdiction within the federal system.In serious criminal cases, district courts convene panels of citizens, which are known as grand juries (to hear evidence of a possible crime and to recommend whether the evidence is sufficient to file criminal charges, there can be as many as 16 to 23 people, also they are not used in civil cases).
Vice-admiralty courts were run by officers and did not have juries.
Yes, US District Courts use juries to hear many cases. The Sixth Amendment provides a criminal defendant has the right to a public trial by jury; the Supreme Court limited that right to defendants who face the possibility of six months or more incarceration. Juries are also used in certain federal civil cases.