A rapper video that concerns shooting up Marysville High School, led to the arrest Tuesday of a teen who allegedly made the video.  He was formally charged on Wednesday in juvenile court with false report of domestic terrorism.  The 16-year-old boy is currently being held in the Macomb County juvenile detention center.  Administrative staff became aware of the video at just after 2 p.m. on Tuesday.  Marysville Police Department was notified and is currently investigating the incident, according to a news release from Marysville Public Schools Superintendent Shawn Wightman.  Parents of the student were notified, and the student is not to return to school or be in the area, the release stated.  Wightman said the  incident will be fully investigated and prosecuted to the fullest extent of the law.”