India, May 27 -- Mackenzie Shirilla is the Ohio woman convicted of intentionally crashing her car at nearly 100 mph and killing her boyfriend and a friend in 2022. She reportedly had an interesting nickname behind bars and was not shy about sharing it with her then-girlfriend.

Shyann Topping, who began dating Shirilla shortly after she arrived at the Ohio Reformatory for Women in 2023, told People that one day, while trying to clear up a false rumor circulating about herself in prison, she sat down with Shirilla to show her evidence of what her real charges were.

Topping recalled that Shirilla was not bothered and responded casually, "They call me 'Shirilla the Killa,'" following it with laughter.

Topping said she did not think much of...