Police Clock Teacher at Over 100 Mph Thu Apr 13, 5:49 PM ET FARGO, N.D. - A teacher on her way to school in South Dakota was caught speeding at more than 100 mph, thanks to a tip from a driver who said the woman had been routinely passing him at triple-digit speeds, authorities say. Heather Jo Smith, 25, of Fargo, was clocked at 102 mph on Wednesday near the Horace exit on Interstate 29, Cass County Sheriff's Capt. Mike Argall said. Smith was driving a car that is owned by the Northeast Educational Co-op in Hayti, S.D., Argall said....