LINCOLN, Neb. (KLKN) – An Omaha man was killed on Sunday after a crash in Gretna.
Just after 5:15 p.m., the Sarpy County Sheriff’s Office and the Gretna Fire Department responded to a crash at the intersection of Highway 6 and Jansen Drive.
According to the sheriff’s office, 69-year-old Douglas Mumm of Springfield was driving north on Highway 6, attempting to turn west onto Jansen Drive…