Opinion by
In 1942, upon a plea of guilty to murder generally, appellant was convicted of first degree murder and sentenced to life imprisonment. On September 1, 1966 he filed a petition under the Post Conviction Hearing Act, Act of January 25, 1966, P. L. (1965) 1580, 19 P.S. §1180-1 et seq. (Supp. 1966), setting forth three grounds for relief: (1) that his plea of guilty was not knowingly and intelligently made; (2) that he was deprived effective assistance of counsel; and (3) that he was not properly arraigned. After an attorney was appointed to represent Hill in this post-conviction proceeding, the hearing judge, on November 14, 1966, dismissed the petition without an evidentiary hearing. However, on the very next day, consistent with our decision in
Commonwealth ex rel. West v. Myers,
On the issue of Hill?s guilty plea, we start with the well established doctrine set forth in
Commonwealth ex rel. Crosby v. Rundle,
. With the burden of proof thus on appellant, we hold that the hearing judge was justified in refusing to accept Hill’s version of the circumstances under which his' plea was entered. * A decision of this sort turns on a pure question of credibility; we can find no basis upon which to challengé Judge Graff’s evaluation of appellant’s testimony.
Appellant next contends that he did not have effective assistance of counsel at the time his plea was entered. This Court has just recently announced the test in Pennsylvania for determining when counsel can be said to have been constitutionally ineffective. In
Com
*617
monwealth ex rel. Washington v. Maroney,
Appellant, and two other men, were arrested in connection with the robbery and assault of one Veseley, as well as the robbery and murder of Joseph Bamoska. Shortly after their arrest, all three men voluntarily confessed their guilt orally, and later in writing. There is no allegation that any of these statements were unlawfully induced. It is clear that, faced with this overwhelming evidence of guilt, the age of the defendant Hill, and the brutality of the crime, Hill’s trial counsel wisely concluded that appellant would stand his greatest chance of escaping the death penalty if he were to plead guilty. Not only was this choice of strategy reasonable, it was likely the very best choice that could have been made under the circumstances.
Finally, appellant challenges the validity of his arraignment. However, in view of our decision that the guilty plea was knowingly and intelligently made, we need not reach the merits of this argument. As this Court has said on numerous occasions: “A plea of guilty, knowingly made, constitutes an admission of guilt and is a waiver of all nonjurisdictional defects and defenses.”
Commonwealth v. Garrett,
Order affirmed.
Notes
Although it appears that Hill was never advised by the
judge
as to the consequences of a guilty plea, and although such a procedure is preferable, this failure would not, of itself, entitle appellant to relief. Not only did this hearing take place twenty-five years ago, at a time when such cautionary instructions from the bench were not customarily given, but also we recently noted in
Commonwealth ex rel. West v. Myers,
