Oakland County Sheriff’s Office via AP

This combo from photos provided by the Oakland County Sheriff’s Office shows, from left, James Crumbley and Jennifer Crumbley. The parents of Ethan Crumbley, a teen accused of killing four students in a shooting at Oxford High School, plead not guilty to involuntary manslaughter charges on Saturday, Dec. 4, 2021.

By Kathleen Foody and Corey Williams | The Associated Press

December 4, 2021 at 7:08 p.m.

Michigan parents found in building; bond set at $500K apiece

Parents in the U.S. are rarely charged in school shootings involving their children, even as most minors get guns from a parent or relative’s house, according to experts.