Ethan Crumbley, who gunned down four students at a Michigan high school in 2021, has been sentenced to life in prison without parole, a judge ruled on Friday.

Ahead of his sentencing, the 17-year-old acknowledged that he is a “ really bad person.”

“I am a really bad person. I have done terrible things that no one should ever do,” he told the court.

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Crumbley, who was 15 at the time of the shooting, opened fire at Oxford High School outside of Detroit on Nov. 30, 2021, killing four students and wounding seven others.

He  pleaded guilty in October to all 24 charges against him, including first-degree murder and terrorism.

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