Feds charge dad of teen who brought explosive to school Newaygo — The father of a teen who detonated an explosive device at a high school in a western Michigan town was charged with illegal possession of explosives and a stolen firearm, according to a federal grand jury indictment unsealed Monday. The indictment, unsealed in the Southern Division of the Western District of the U.S. District Court in Michigan, accuses David Robert Daniel Saylor Sr. of possessing unregistered explosive devices and a stolen Beretta model ARX 160 .22. Saylor’s son brought a homemade explosive to Newaygo High School March 8 and accidentally detonated it, losing both thumbs in the incident. Four others, including a teacher, sustained minor injuries from the blast, which occurred in a classroom, authorities said.