In re Chiles was a United States Supreme Court case that addressed the issue of whether a state court could issue a writ of habeas corpus to a federal court. The case arose when a prisoner, Chiles, was held in federal custody in the state of Georgia. Chiles sought a writ of habeas corpus from the state court, which the federal court refused to recognize. The Supreme Court held that the state court did not have the authority to issue a writ of habeas corpus to a federal court. The Court reasoned that the writ of habeas corpus was a federal prerogative, and that the state court did not have the power to interfere with the federal court's jurisdiction. The Court also noted that the writ of habeas corpus was a fundamental right, and that the state court could not interfere with the federal court's exercise of that right. The Court concluded that the state court did not have the authority to issue a writ of habeas corpus to a federal court.

In re Chiles was a case brought before the United States Supreme Court in which the petitioner, William H. Chiles, sought to be released from his commitment as an insane person and declared sane. The majority opinion of the court found that there was no evidence presented that would prove beyond a reasonable doubt that Mr. Chiles had regained his sanity since he had been committed to an asylum for insanity over two years prior. However, Justice Field dissented with this decision and argued that it should have been up to a jury or other tribunal to decide whether or not Mr. Chiles was sane at the time of trial rather than relying solely on medical testimony from experts who examined him shortly after being committed two years earlier without any further examination by them during those intervening years. He believed it unfair for such an important determination about someone's mental state to be made without allowing them due process rights like having their own witnesses testify on their behalf and cross-examining opposing witnesses in order for all relevant facts surrounding their condition at present day could be considered when making such a life-altering decision about one’s liberty interests