TEMPE, AZ - A Tempe 18-year-old accused of having an improvised explosive device in his bedroom in his family's home has pleaded not guilty.
Joshua Prater entered the plea Thursday to a charge of misconduct involving weapons.
He was arraigned in Maricopa County Superior Court.
Police have said a cleaning woman found the device inside the home and took it to a fire station.
Firefighters notified police, and the bomb squad responded and disabled the device.