An intestate heir found guilty but mentally ill in first degree murder of the decedent was barred from inheriting under the Slayer’s Act, 20 Pa.C.S. § 8801 et seq.  McAndrew Estate, 131 A.3d 988, 2016 PA Super 4 (1/5/2016), aff’ng 5 Fid. Rep. 3d 43 (O.C. Montg. 2014) (Opinion by Ott, J.).