Parents of US boy who killed four fellow students to face manslaughter trial

Jennifer and James Crumbley, the parents of Ethan Crumbley, will face trial on manslaughter charges (Paul Sancya/AP)

Michigan Supreme Court has cleared the way for the parents of a teenager who killed four fellow pupils at school to face trial on involuntary manslaughter charges.

James and Jennifer Crumbley are accused of making a gun available to Ethan Crumbley and ignoring his mental health needs.