Key facts
- Mackenzie Shirilla, 21, has had her appeal for a new murder trial denied by the Ohio Supreme Court.
- Shirilla was convicted in 2023 for intentionally driving her car into a brick wall at nearly 100 mph in 2022.
- The crash resulted in the deaths of her boyfriend and a friend.
- Shirilla was 17 years old at the time of the incident.
- Her appeal was denied by a lower court for being filed past the deadline.
The Ohio Supreme Court has declined to review an appeal for a new trial for Mackenzie Shirilla, 21, who was convicted of murder for killing her boyfriend and a friend in a 2022 car crash. Shirilla was convicted in 2023 after prosecutors argued she intentionally drove her car nearly 100 miles per hour without braking into a brick wall in Strongsville when she was 17.