(Chris Caldwell/The Spectrum via AP) In this Monday, June 18, 2018, photo, Deputy County Attorney Angela Adams questions witnesses in St. George during a preliminary hearing for a 16-year-old boy accused of bringing a incendiary device to Pine View High School. The Utah teenager told police that he tried to blow up a homemade device in his backpack at school because he'd been looking at Islamic State propaganda and wanted to cause fear, according to a video of the conversation shown in court Monday.