11 . Ultimately, Dr. Donner did not testify at trial, in light of Appellant’s decision to waive the presentation of mitigating evidence. 12 . Moreover, Appellant made it clear to counsel that his ultimate desire was to secure an outright acquittal on the theory that the victim’s death was not the result of his actions at all, but was caused by some undetermined, coincidental fatal brain abnormality. Obviously, the prospect of securing an outright acquittal was a difficult task for counsel given the facts adduced at trial. 13 . We note that Appellant does not allege counsel’s ineffectiveness for failing to previously raise the allegation of a Brady violation. Accordingly, we could dispose of this issue on the basis of waiver. See Commonwealth v. Roney, 622 Pa. 1, 79 A.3d 595, 609 (2013) (<HOLDING>). However, the Commonwealth has not argued
holding that a brady violation is waived by guilty plea holding claim of alleged brady violation waived on collateral appeal for failure to raise it at trial or on direct appeal holding that where the fourth amendment question was raised at trial but not preserved on direct appeal in the state court the defendants failure to raise the issue on appeal in the state courts did not suffice to avoid stone holding claims must be raised on direct appeal or waived holding that a party may not raise a claim on appeal that was not presented to the trial court