The Oxford, Michigan, school shooter's parents will serve up to 15 years in prison. Jennifer and James Crumbley are the first parents held criminally liable for a mass school shooting in the US, but they likely won't be the last.

This episode was produced by Haleema Shah with help from Hady Mawajdeh, edited by Miranda Kennedy, fact-checked by Laura Bullard, engineered by Patrick Boyd and hosted by Sean Rameswaram.

Transcript at vox.com/todayexplained

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