‘Hell on wheels’ killer Mackenzie Shirilla claims ‘pre-existing medical condition’ may have caused her to black out during fatal wreck

Source: New York Post

Convicted “hell on wheels” killer Mackenzie Shirilla claimed in her second appeal that she suffers from a “pre-existing medical condition” that could be to blame for her blacking out before the horrific crash. Shirilla’s last-ditch appeal, filed by her current attorneys with the Ohio Supreme Court on April 27, argued that her past defense team failed to investigate or back up the alleged pre-existing condition with expert testimony. 3 Convicted “hell on wheels” killer Mackenzie Shirilla claimed that unexamined medical evidence proves she may have blacked out before the horrific crash.