During the trial of the-defendants, it appeared that after they were arrested a conversation took place between them and a police officer of Quincy. The bill of exceptions recites that at the time of this conversation the defendants had not been informed as to “their constitutional rights relative to statements and declarations made by them while so under arrest; that the defendants testified that they believed that they were under arrest charged with gambling”; that they did not know until subsequently to the conversation with the police officer “that they were charged with the crime of robbery.” The police officer testified that Maki said “he had not been working and
If the defendant in a criminal case maintains that his confession of the crime was due to the promises or threats of the arresting officer, he has the right to insist upon a preliminary decision, by the judge, on the competency of the evidence before it is admitted for the consideration of the jury. But this right of the accused does not exist unless he made a confession of the crime, that is, unless he acknowledged he was guilty of the offence with which he is charged. The right does not prevail as to mere incriminating admissions or statements of independent facts which may serve in connection with other circumstances to show his guilt. Commonwealth v. Haywood,
A confession of guilt made by a defendant to an arresting officer is prima facie voluntary. The evidence excepted to was not inadmissible because the defendants were not cautioned that anything they might say would be used in evidence against them. Commonwealth v. Dascalakis, supra. Commonwealth v. Szczepanek,
Exceptions overruled.
