James and Jennifer Crumbley face charges of involuntary manslaughter after their son Ethan Crumbley allegedly killed four school students. Photograph: Oakland County sheriff’s department/EPA

The parents of a teenager charged with killing four students at a Michigan high school have pleaded not guilty to four counts of involuntary manslaugh(...)

Suspected shooter Ethan Crumbley. Photograph: Handout/Oakland County Sheriff’s Office/AFP via Getty

A fugitive warrant has been issued in the US state of Michigan for the parents of a teenager who is accused of shooting dead four fellow students at a(...)

 A makeshift memorial outside of Oxford High School, in Michigan, in remembrance of the four students who were killed. Photograph: Scott Olson/Getty

A prosecutor in Michigan has explained why the teenage suspect in a deadly high school shooting this week was unusually charged with the crime of terr(...)