80-year-old cougar found dead days after boyfriend arrested for assault
An 80-year-old Queens cougar — whose hulking much-younger boyfriend was arrested over the weekend for beating her up — was found dead in her apartment Thursday, law-enforcement sources said. Janina Olszweka was lifeless and had visible trauma to her head and body when her son found her, sources said. The victim’s boyfriend, Marek Piotrkowicz, had…