HORROR befell a high school when a gunman made his way onto the premises and fatally shot several students.
Ultimately, Ethan Crumbley pleaded guilty to killing four of his classmates during the Oxford High School shooting.
Who is Oxford High School 'shooter' Ethan Crumbley?
Ethan Crumbley made headlines in 2021 when he was taken into custody following the deadly high school shooting.
At the time, police charged the then-15-year-old with terrorism and murder after four students lost their lives.
What did Ethan Crumbley do?
Crumbley was charged with one count of terrorism causing death, and four counts of first-degree murder in December 2021 following a shooting at his school in Michigan.
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The shooting left several injured and four students dead, including Tate Myre, 16, Hana St Juliana, 14, Justin Shilling, 17, and Madisyn Baldwin, 17.
Chilling details of the case surfaced in May 2022, including his alleged motive for massacring four teenagers.
Ethan Crumbley wrote in his journal he hoped the shooting would get Joe Biden impeached, prosecutors said.
On October 24, 2022, Crumbley returned to court to enter a new plea.
He ultimately pleaded guilty to 24 felony charges including terrorism and first-degree premeditated murder.
Crumbley's parents, James and Jennifer Crumbley, were also charged in connection to the school shooting.
Jennifer stood trial in January 2024, and on February 6, a jury found her guilty of involuntary manslaughter for her role in the shooting.
She is facing up to 15 years in jail.
James has also been charged with involuntary manslaughter, and his trial began on March 5, 2024.
A jury was finalized and seated on March 6 and opening statements are scheduled for March 7.
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The trial is expected to last about two weeks.
Where is Ethan Crumbley now?
On October 24, 2023, Crumbley pleaded guilty to 24 charges of murder and terrorism.
On December 8 of the same year, Crumbley was sentenced to life in prison without parole.
"I am a really bad person, I have done terrible things that no one should ever do," he said during his sentencing hearing, via ABC News.
On December 12, 2023, Crumbley began serving out his life sentence at Thumb Correctional Facility in Michigan, according to ABC12 News.