Exclusive | 'Hell on wheels' killer Mackenzie Shirilla is prison 'mean girl:' inmate 67.3%
New York Post - By Georgia Worrell - 5/20/2026, 11:00 AM
Anecdotal 47.7% - Confirmation Bias 21.6% - Negativity Bias 17.7%
A woman who served time behind bars alongside convicted “Hell on Wheels” killer Mackenzie Shirilla claimed the teen was "the Regina George of prison" before she became hardened. “Hell on wheels” killer Mackenzie Shirilla is nothing like the remorseful, hardened prison inmate depicted in the hit Netflix doc, a former inmate said. “When... more