discussed Cited "see" Com. v. Prather, J. See Commonwealth v. Prather, 169 A.3d 1168 (Pa. Super. 2017) (unpublished mem.), appeal denied, 183 A.3d 976 (Pa. Apr. 3, 2018).] On April 20, 2018, [Appellant] filed the instant [pro se] PCRA [petition] contending that his counsel was ineffective for failing to seek further psychiatric evaluations to help prepare an insanity defense or a diminished capacity defense. * * * [Appellant] contend[ed] that McWilliams . . . provides an exception to the time-bar under 42 Pa.C.S. § 9545(b)(1)(iii).