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. Mackenzie Shirilla was convicted of intentionally crashing her car and killing her boyfriend. (Instagram/mackenzieshirilla) 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 it at the time. The two were in the middle of what she described as a whirlwind romance and Topping had only heard Shirilla’s version of events surrounding the fatal crash. “She never really made light of what happened,” …