“Hell on wheels” killer Mackenzie Shirilla fretted over her social media accounts and designer handbags as authorities investigated the fiery 2022 car crash that killed her ex-boyfriend and friend, newly released interviews reveal. Police bodycam footage recorded in the days after the devastating wreck — for which Shirilla, 20, was later convicted of double murder — captured the moment a Strongsville, Ohio, police officer returned her cellphone after investigators completed a digital download