A Utah father and son accused of kidnapping and assaulting five people â and are primary persons of interest in the slaying of a Utah Transit Authority maintenance worker â are expected to make their first court appearances on Monday afternoon in the kidnapping case. Flint Harrison, 51, and Dereck Harrison, 22, each were charged last week in 2nd District Court with 16 counts: five counts of first-degree felony aggravated kidnapping, five counts of aggravated assault, a charge of possession of a ...