Steve Shirilla was placed on administrative leave from his teaching job after adamantly defending his “Hell on wheels” daughter Mackenzie Shirilla in a new Netflix documentary.

Mackenzie Shirilla's Instagram account shared screenshots from her appeal, as well as text messages with her boyfriend Dominic

"From the way she acted and carried herself, remorseful was the last thing she gave off," Kat Crowder, who was in prison with Shirilla for six months, told PEOPLE

Natalie explained that Mackenzie—who is serving out a sentence of 15 years to life—would have access to visitation, school programs and other resources once she was sent to prison. “I like how they try to make it, like, enjoyable there,” Mackenzie ...

A jail call newly obtained by PEOPLE reveals that Mackenzie Shirilla, convicted of murder in the 2022 deaths of her boyfriend and friend, expressed concern over the possibility of receiving the death penalty.

Mackenzie Shirilla uses a secret language while speaking with her mother in multiple jail phone calls obtained by PEOPLE

Mackenzie Shirilla was sentenced to 15 years to life behind bars for the deadly crash, which killed Dominic Russo and Davion Flanagan on July 31, 2022.