On Friday, Karen D. McDonald, the Oakland County prosecutor, stated the Crumbleys had been culpable within the yr’s deadliest faculty taking pictures as a result of that they had allowed their son entry to a handgun whereas ignoring evident warnings that he was on the point of violence.

Legislation enforcement officers stated that the dad and mom had gone lacking on Friday afternoon, prompting a manhunt that concerned the county’s fugitive-apprehension crew, F.B.I. brokers and United States Marshals. It drew within the Detroit police when officers acquired the tip that led them to the realm the place Saturday’s arrest occurred, simply north of the Detroit River.

“They can’t run from their half on this tragedy,” Sheriff Michael Bouchard of Oakland County stated in an announcement on Friday, earlier than the couple had been apprehended.

On the arraignment, the couple’s protection legal professionals maintained that the couple weren’t fleeing. The couple, the protection lawyer Shannon Smith stated, had been “completely going to show themselves in,” and attributed the delay to miscommunication with the prosecutor’s workplace. The legal professionals additionally stated that the prosecutor’s assertion that the gun was left unlocked within the Crumbley house was not true.

The lethal gunfire in Oxford, in Oakland County — about 30 miles north of Detroit — added to a rising checklist of shootings this yr on faculty grounds in america after a lull throughout the early months of the coronavirus pandemic, when many faculties held courses remotely.

In saying the fees towards the dad and mom, Ms. McDonald gave an in depth accounting of Ethan Crumbley’s alleged actions main as much as the taking pictures.

On the morning of Nov. 30, the day of the taking pictures, she stated, the suspect’s dad and mom had been urgently known as into the highschool after considered one of his academics discovered an alarming word he had drawn, scrawled with pictures of a gun, an individual who had been shot and a laughing emoji, and the phrases, “Blood in all places,” and, “The ideas gained’t cease. Assist me.”