A man accused of using a forged signature of Chief Justice John Roberts on a bogus Supreme Court order in an alleged attempt to get his own Indiana criminal case dismissed has been arrested on federal charges, according to court documents.
Joshua M. Culver, who authorities say also used the alias “Maverick A. Young,” was arrested last Friday in Colorado after a federal grand jury in Indiana indicted him on four counts of falsely impersonating a U.S. officer or employee and one count involving the use of a forged federal judge’s signature and court seal.
Federal prosecutors allege Culver filed a document titled “Order of Dismissal With Prejudice” on Sept. 24, 2025, in a criminal case pending against him in Grant County Superior Court in Indiana.
According to the indictment, the document used a forged signature of Roberts and a counterfeit U.S. Supreme Court seal in an effort to authenticate the purported dismissal order.
The alleged scheme involving the nation’s highest court was not Culver’s first attempt to pass himself off as a federal official, prosecutors say.
Five days before the alleged Roberts forgery, Culver allegedly posed as a National Security Agency agent while contacting the Tippecanoe County Sheriff’s Office.
According to the indictment, Culver used his purported authority as an NSA agent to make requests that prosecutors say the sheriff’s office otherwise would not have fulfilled, including asking deputies to conduct a welfare check on his biological daughter and provide information about her location.
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Culver also allegedly sought the names and information of sheriff’s office employees and claimed he could take “adverse action” against the department in his purported capacity as an NSA agent.
The following day, on Sept. 20, 2025, Culver allegedly called the workplace of an individual identified in the indictment only as “Individual A.”
Prosecutors say he falsely identified himself as a federal agent, claimed the person was “obstructing a federal investigation of a child kidnapping” and represented that he could have the individual arrested for committing a federal felony.
He also allegedly asked the person’s employer to intervene to obtain the individual’s cooperation.
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Months later, in January 2026, Culver allegedly portrayed himself as a “Special Master enforcing orders of the United States Supreme Court” in a communication sent to the Lake County clerk and directed to a Superior Court judge.
Prosecutors allege Culver claimed he had the authority to issue orders and warrants while demanding that the judge
