Feds arrest man at Detroit airport after threats targeting Wisconsin university

DETROIT — Federal agents arrested a former University of Wisconsin-Madison graduate student at Detroit Metropolitan Airport who flew to America from Copenhagen on Friday after threatening students, faculty and staff members at his alma mater and vowing to hide the flesh of their children in hamburger meat, according to federal court records chronicling the latest violent threat posed to a college campus. Arvin Raj Mathur, 32, is in the St. Clair County Jail and awaiting a detention hearing Tuesday in federal court in Detroit after being charged with emailing threats to nine people, including g...