Also known as: justices of the peace · JP · J.P. · magistrate · lay magistrate
Written by attorneys · grounded in primary & secondary sources — see below
A local judicial officer with authority to issue warrants, conduct preliminary examinations, and adjudicate minor criminal and civil matters.
Officers obtained a search warrant from justice of the peace Judy Jacobs after she reviewed an affidavit describing drug activity at a residence. The warrant was later found to lack probable cause. Because the officers relied in good faith on the neutral issuance by the justice of the peace, the evidence was admitted at trial.
A detective called justice of the peace Jeffrey Jha from the scene of a burglary to request an arrest warrant. The justice placed the detective under oath by telephone, heard the facts, and issued the warrant electronically. The procedure satisfied the requirements for reliable electronic means.
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Jorge Juarez appeared before a justice of the peace on a misdemeanor charge. The justice conducted the hearing. The applicability of the Federal Rules of Evidence to the proceeding was later disputed on appeal.
Jasmine Jordan was arrested in the district of the offense when no magistrate judge was available. She was brought before justice of the peace Javier Jimenez for her initial appearance. The justice conducted the proceeding and set conditions of release as permitted when a federal magistrate is unavailable.
President Adams signed commissions for several justices of the peace in the District of Columbia, including William Marbury. The commissions were not delivered before the new administration took office. The dispute over delivery reached the Supreme Court and established the power of judicial review.
John Geddes Lawrence and Tyron Garner were arrested after officers observed them engaging in a prohibited act. They were charged and convicted before a justice of the peace under the state statute. The convictions were later challenged on constitutional grounds.
A justice of the peace issues arrest and search warrants, conducts preliminary examinations, and handles minor criminal and traffic matters. The officer also takes sworn statements from witnesses and the accused under historical committal statutes.
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A justice of the peace qualifies when sufficiently independent from law enforcement and capable of determining probable cause from facts in an affidavit. Financial interest in issuing warrants or active participation in an investigation destroys neutrality.
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Extensive community activities violate the rules when they take precedence over timely performance of judicial duties and produce backlogs. Routine matters may be delegated to clerks only if the justice still gives priority to court work.
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…cause why a mandamus should not issue commanding him to cause to be delivered to them respectively their several commissions as justices of the peace in the District of Columbia. This motion was supported by affidavits that notice had been given to Mr. Madison; that Mr. Adams, the late President, nominated the applicants to the Senate;…