The opinion of the court was delivered by

This is an appeal from the second conviction of Bert Tawney for the larceny of two pigs. The first error assigned is based on the action of the court in denying an application for a change of venue. In his affidavit the appellant alleged that the district judge was prejudiced against him, and that it was evidenced by the manner, tone of voice and prejudicial *164comments of the judge in the former trial. Upon an objection to the reading of the affidavit the district judge said:

“I don’t care to hear the affidavit. Motions for a change of venue on the ground of prejudice of the court have become so much a matter of course in certain cases that we naturally look' for them. In this motion the defendant swears that the court is prejudiced against him. That is absolutely false, and I believe he knew it was false when he swore to it. He also swears that the court has expressed the opinion that, he is guilty of the crime charged against him. That is absolutely true. I did think so, and I told him so when I sentenced him. If I had not thought so I would not have sentenced him.”

The personal knowledge of the judge as to the state of his own mind is not to be ignored, and he is not compelled tó grant a change of venue upon the affidavit of a defendant, although there is no counter affidavit, especially where he is conscious that he is free from prejudice and believes that the statements in the defendant’s affidavit are without foundation. (City of Emporia v. Volmer, 12 Kan. 622; The State v. Bohan, 19 Kan. 28; The State v. Grinstead, 62 Kan. 593; The State v. Parmenter, 70 Kan. 513.) The fact that when the sentence of the law was pronounced upon the appellant at the former trial the court expressed the opinion that he was guilty does not of itself indicate prejudice. The jury were of the same opinion. Complaint is made, however, that the statements of the court in denying the motion must- have reached the ears of the jurors and'resulted in prejudice to the appellant. The strong language employed by the court, which in effect imputed perjury to the appellant, if used in the presence of jurors, may have been harmful to him. While the ruling was made just before the impaneling of the jury, it does not appear that any part of the panel was present at the time the statement was made nor that the remark was brought to the. attention of any juror who tried the case.

*165There is complaint of the ruling on the admission of the testimony of Beecher Day, who was a witness in behalf of the state in the former trial but who was declared insane and had died before the second trial. The objection to the testimony was on the ground that Day was insane when his testimony was given and that to falsify was one of his peculiar infirmities. Counsel for the appellant proposed to make a showing to this effect; but the objection was overruled, the court remarking: “I saw the witness at the former trial, and I heard him testify, and I saw no signs of insanity about him.” Afterward the defense was permitted to introduce the insanity proceedings, which had been had in September, 1908, and in which it was found that Day was insane; that his disease was of two years’ duration, and that he was subject to epilepsy and manifested suicidal tendencies. The testimony in question was given by Day in September, 1907. Since the main facts involved in the offer were subsequently received in evidence at the instance of the appellant, there is little reason to complain of the earlier ruling. There is some ground, however, for complaint of the remark of the trial judge, in the presence of the jury, that he had observed the witness when he testified and “saw no signs of insanity about him.” Ordinarily an expression of opinion by the judge upon an issue of fact has great weight with jurors, and he should not indicate his opinion upon a fact which it is the province of the jury to determine. It is not easy to say that this one had no influence with the jury.

Error is assigned on rulings made on the cross-examination of Joe Lockwood, the principal witness against the appellant. The stolen pigs were found in the possession of Lockwood, and there was testimony by Cynthia Tawney, his sister, that these pigs, which belonged to Mathias, were trespassing on the Tawney farm; that.she caught two of them and took them over to Lockwood’s place, telling him that they belonged to *166Mathias; that she left them with him and later traded them to him for a small sow. She also testified that she did not inform her husband, the appellant, of what she bad done until Mathias found his pigs in Lockwood’s place, which was shortly before her husband’s arrest. The appellant proposed to prove that at the preliminary examination Lockwood was called as a witness for the prosecution ¡and refused to testify; that he was then committed to the county jail for several hours, and afterward was brought in and gave testimony exculpating himself and putting the theft of the pigs upon the appellant, but upon objection the testimony was excluded, the court saying that “unless he was put in there for some crime it is wholly immaterial.” Counsel for the appellant suggested that he wanted to show that this witness, who had possession of the stolen pigs and might be concerned in the theft, was intimidated by being placed in jail for refusing to testify, and that his coming in and giving the testimony desired when released from custody had a tendency to show duress. In response the court said: “Oh, there is no evidence at all of any duress.” Counsel persisted in the claim that the evidence was admissible, and the court remarked that “if he [Lockwood] was a competent witness, and refused to testify, the justice had a right to compel him.” To this counsel replied that “no man can be compelled to testify so as to incriminate himself.” The court then responded: “That is the privilege of the man on trial, not of a mere witness who was competent.to testify. I say again, if he was sent to jail for some crime, you might show that, but I think this is not proper here; it is immaterial.”

The testimony should have been received, and that without being minimized or discredited by the remarks of the court. The appellant was entitled to any evidence affecting the credibility of Lockwood and the force to be given to his testimony. He was the principal witness against the appellant, and according to some of *167the testimony was himself involved in the larceny of the pigs. He was interested in clearing himself of complicity in the theft. If when first called upon to testify to what he knew of the transactions he refused to answer questions, and if he was induced to testify against the appellant in order to escape prison or to protect himself, or if there was any intimidation or peculiar inducement for him to testify as he did, or if he had any special interest in the result of the prosecution, it was proper to bring it out on cross-examination. It was competent for the appellant to show any circumstance which might tend to prove that the testimony given against him may have been influenced or colored by some selfish or personal motive, and in that way aid the jury in measuring the value of the testimony. It was the privilege of the witness to refuse to give testimony which would expose him to a criminal charge or to any kind of punishment. This privilege is not confined to the one on trial, as was suggested, but is available to any witness called to testify in the case. The materiality of the ruling excluding this evidence was enhanced by an instruction of the court singling out the testimony of Lockwood to the effect that the appellant had offered him money to “hike out” and remain away for two years, until the trouble would “blow over.” The instruction was:

“If you believe from the evidence that the defendant attempted to corrupt witnesses for the state, or offered to pay witnesses for the state to absent themselves and thus deprive the state of their testimony, you have a right and it is your duty to take such matters into consideration in determining the guilt or innocence of the defendant.”

The testimony on the subject had been submitted to the jury, and it does not appear that there was any danger of its being overlooked by them, nor is any reason seen why it was n'ecessary to place special emphasis upon this single circumstance. It is a dangerous practice to call special attention to an isolated fact, and *168thus by making it prominent lead the jury to the opinion that it is of greater significance and weight than, other unmentioned facts in the case which may be of no. less importance. (12 Cyc. 649.) Under the circumstances it would seem that undue prominence was given to this phase of the case, .and, as stated, it made more-material the error of the court in limiting the inquiry as to the motives and credibility of the witness who. gave the emphasized testimony.

There are some other objections, but as they may not. arise in another trial of the cause it is not deemed' necessary to consider them. The judgment of the district court is reversed and the cause remanded for a, new trial.