SIOUX FALLS — A Sioux Falls man was killed in an evening ATV crash in the city’s north end. Shortly before 7:30 p.m. Thursday, Aug. 6, first responders in Sioux Falls were called to the 4800 block of North Fourth Avenue, in a neighborhood northeast of the city’s airport, for a report of an ATV crash. Jason Montgomery and Aaron Benson, a 26-year-old Sioux Falls man was heading southbound on Fourth Avenue when the operator failed to negotiate a curve. Montgomery said the driver was not wearing a helmet at the time of the crash and was pronounced dead at the scene. Benson said it’s not yet known whether speed, drugs or alcohol played a factor in the crash, and that the investigation remains ongoing.