The Michigan school shooting suspect has been identified as 15-year-old sophomore Ethan Crumbley.
The teen is accused of killing four students and injuring seven others when he allegedly opened fire at Oxford High School, about 40 miles north of Detroit, on Tuesday.
His father purchased the 9mm Sig Sauer used in the shooting just four days earlier on Black Friday, Oakland County Sheriff Michael Bouchard said.
Oakland County Prosecutor Karen McDonald said Wednesday that her office is considering charges against both parents.
She said Crumbley had been charged as an adult with murder, terrorism, assault and weapons possession charges.
Crumbley had posted photos of the gun, and him firing it, in the lead-up to the school shooting, the sheriff added.
Investigators said they are still trying to determine a motive for the deadly shooting because the suspect isn’t speaking to them. However, some classmates have said Crumbley was bullied, according to the Detroit Free Press.
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SOURCE: New York Post, Emily Crane, Joshua Rhett Miller and Jorge Fitz-Gibbon