An 87-year-old paroled retiree was convicted of first-degree murder for slaughtering a Brooklyn woman, then dismembering her and dumping her torso in a shopping cart near his apartment.
Harvey Marcelin, of East New York, Brooklyn, now faces life in prison for the gruesome 2022 murder of 68-year-old Susan Leyden in February 2022.
Surveillance footage taken on Feb. 27, 2022, shows Leyden entering Marcelin’s apartment on Pennsylvania Avenue. She never came out…