Parents of Michigan shooter charged over 'blood everywhere' message

A US attorney general has brought manslaughter charges against the parents of a teen accused of killing 4 high school students in Michigan, saying they failed to intervene on the day of the tragedy despite being confronted with a graphic and message that said "blood is everywhere", which were found in the boy's office.

Oakland District Attorney Karen MacDonald said James and Jennifer Crumbley committed horrific things, from buying a Black Friday pistol and making it available to Ethan Crumble to resisting his expulsion from school when they were called just hours before the shooting.

"I would expect parents and all of humanity to step in and stop a potential tragedy. My conclusion is that there is absolute reason to believe that this person was dangerous and troubled," she added.

By afternoon, authorities said they were looking for the couple.

Sheriff Mike Bouchard said their lawyer, Shannon Smith, agreed to arrange their arrest if they were charged but was unable to reach them.

However, Smith said James and Jennifer Cromble are not on the run and left town earlier in the week "for their own safety."

Smith told the Associated Press that they would return to the area to be tried.

On Friday evening, US authorities announced a reward of up to $10,000 for information leading to the arrest of James and Jennifer Cromble.

Earlier, the attorney general gave the most accurate account yet of the events leading up to the shooting, 3 days after 4 students were killed and others injured at Oxford High School, about 50 kilometers north of Detroit.

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