OMAHA, Neb. -- A 16-year-old Omaha boy has been ordered to be tried for murder as an adult. 

Marion Harris allegedly shot and killed 18-year-old Travell Mountain, on July 4th at Levi Carter Park

At the time, police issued felony warrants for first-degree murder and weapons charges. 

Those charges stuck and Harris' case will remain in adult court. 

No trial date was set after his preliminary hearing Tuesday. 

A Douglas County judge ordered Harris to continue being held without bond.