The mother and father of a Michigan teen who shot and killed four classmates were each sentenced to 10 to 15 years in prison on Tuesday after a jury convicted them of manslaughter in a rare case of parents being held responsible in a school shooting.

Michigan school shooter's parents sentenced to up to 15 years in prison

The father of a Michigan school shooter was found guilty of involuntary manslaughter Thursday, a second conviction against the teen's parents who were accused of failing to secure a gun at home and doing nothing to address acute signs of his mental turmoil.

Michigan school shooter's father found guilty of involuntary manslaughter

A jury in the US state of Michigan on Thursday convicted the father of a teenager who fatally shot four classmates at a high school near Detroit of manslaughter after prosecutors argued he bore responsibility because he and his wife gave their son a gun and ignored warning signs of violence.

Father of Michigan school shooter James Crumbley convicted of manslaughter