Letter from Hon. George F. Hoar, Senator from Massachusetts:

WORCESTER, August 16, 1889.

MY DEAR JUDGE FIELD:

I think I ought to tell you, at this time, how high you stand in the confidence and reverence of all good men here, how deeply they were shocked by this outrage attempted not so much on you as on the judicial office itself, and how entirely the prompt action of the officer is approved. I hope you may long be spared to the public service.

I am faithfully yours,
GEO. F. HOAR.

Letter from Hon. J. Proctor Knott, for many years a Member of Congress from Kentucky and Chairman of the Judiciary Committee of the House of Representatives, and afterwards Governor of Kentucky:

LEBANON, KENTUCKY, September 5, 1889.

MY DEAR JUDGE: * * *

I have had it in mind to write you from the moment I first heard of your fortunate escape from the fiendish assassination with which you were so imminently threatened, but I have, since the latter part of May, been suffering from a most distressing affection of the eyes which has rendered it extremely difficult, and frequently, for days together, quite impossible to do so. Even now, though much improved, I write in great pain, but I cannot get my consent to delay it longer on any account. You are to be congratulated, my dear friend, and you know that no one could possibly do so with more genuine, heartfelt sincerity than I do myself. * * *

I had been troubled, ever since I saw you had gone to your circuit, with apprehensions that you would be assassinated, or at least subjected to some gross outrage, and cannot express my admiration of the serene heroism with which you went to your post of duty, determined not to debase the dignity of your exalted position by wearing arms for your defense, notwithstanding you were fully conscious of the danger which menaced you. It didn't surprise me, however; for I knew the stuff you were made of had been tested before. But I was surprised and disgusted, too, that you should have been charged or even suspected of anything wrong in the matter. The magistrate who issued the warrant for your arrest may possibly have thought it his duty to do so, without looking beyond the "railing accusation" of a baffled and infuriated murderess, which all the world instinctively knew to be false, yet I suppose there is not an intelligent man, woman, or child on the continent who does not consider it an infamous and unmitigated outrage, or who is not thoroughly satisfied that the brave fellow who defended you so opportunely was legally and morally justifiable in what he did. I have not been in a condition to think very coherently, much less to read anything in relation to the question of jurisdiction raised by the State authorities in the habeas corpus issued in your behalf by the U.S. Circuit Court, and it may be that, from the mere newspaper's reports that have reached me, I have been unable to fully apprehend the objections which are made to the courts hearing all the facts on the trial of the writ; but it occurs to me as a plain principle of common sense that the federal government should not only have the power, but that it is necessary to its own preservation, to protect its officers from being wantonly or maliciously interfered with, hindered or obstructed in the lawful exercises of their official duties, not arbitrarily of course, but through its regularly constituted agencies, and according to the established principles of law; and where such obstruction consists in the forcible restraint of the officer's liberty, I see no reason why the federal judiciary should not inquire into it on habeas corpus, when it is alleged to be not only illegal but contrived for the very purpose of hindering the officer in the discharge of his official duties, and impairing the efficiency of the public service. It is true that in such an investigation a real or apparent conflict between State and federal authority may be presented, which a due regard to the respective rights of the two governments would require to be considered with the utmost caution, such caution, at least, as it is fair to presume an intelligent court would always be careful to exercise, in view of the absolute importance of maintaining as far as possible the strictest harmony between the two jurisdictions. Yet those rights are determined and by fixed legal principles, which it would be impossible for a court to apply in any case without a competent knowledge of the facts upon which their application in the particular case might depend. For instance, if your court should issue a writ of habeas corpus for the relief of a federal officer upon the averments in his petition that he was forcibly and illegally restrained of his liberty for the purpose of preventing him from performing his official duties, and it should appear in the return to the writ that the person detaining the prisoner was a ministerial officer of the State government authorized by its laws to execute its process, and that he held the petitioner in custody by virtue of a warrant of arrest in due form, issued by a competent magistrate, to answer for an offense against the State laws, I presume the court, in the absence of any further showing, would instantly remand the petitioner to the custody of the State authorities without regard to his official position or the nature of his public duties. But, on the other hand, suppose there should be a traverse of the return, averring that the warrant of the arrest, though apparently regular in all respects, was in truth but a fraudulent contrivance designed and employed for the sole purpose of hindering and obstructing the petitioner in the performance of his duties as an officer of the government of the United States; that the magistrate who issued it, knowingly and maliciously abused his authority for that purpose in pursuance of a conspiracy between himself and others, and not in good faith, and upon probable cause to bring the prisoner to justice for a crime against the State. How then? Here is an apparent conflict—not a real one—between the rights of the government of the United States and the government of the State. The one has a right to the service of its officer, and the right to prevent his being unlawfully interfered with or obstructed in the performance of his official duties; the other has the right to administer its laws for the punishment of crime through its own tribunals; but it must be observed that the former has no right to shield one of its officers from a valid prosecution for a violation of the laws of the latter not in conflict with the Constitution and laws of the United States, nor can it be claimed that the latter has any right to suffer its laws to be prostituted, and its authority fraudulently abused, in aid of a conspiracy to defeat or obstruct the functions of the former. Such an abuse of authority is not, and cannot be in any sense, a bona fide administration of State laws, but is itself a crime against them. What, then, would your court do? You would probably say: If it is true that this man is held without probable cause under a fraudulent warrant, issued in pursuance of a conspiracy to which the magistrate who issued it was a party, to give legal color to a malicious interference with his functions as a federal official, he is the victim of a double crime—a crime against the United States and a crime against the State—and it is not only our duty to vindicate his right to the free exercise of his official duties, but the right of the federal government to his services, and its right to protect him in the legal performance of the same. But if, on the other hand, he has raised a mere "false clamor"—if he is held in good faith upon a valid warrant to answer for a crime committed against the State, it is equally as obligatory upon us to uphold its authority, and maintain its right to vindicate its own laws through its own machinery. To determine between these two hypotheses we must know the facts. * * * The same simple reasoning, it occurs to me, applies to Mr. Neagle's case. Whether he acted in the line of his duty under the laws of the United States, as an officer of that government, is clearly a question within the jurisdiction of the federal judiciary. If he did, he cannot be held responsible to the State authority; if he did not, he should answer, if required, before its tribunals of justice. I presume no court of ordinary intelligence, State or federal, would question these obvious principles; but how any court could determine whether he did or did not act in the line of his official duty under the laws of his government without a judicial inquiry into the facts connected with the transaction I am unable to imagine. * * *