AITKIN COUNTY, MN (KDAL) - One man is dead and three others injured following a two-vehicle crash at County Road 3 and Hwy. 169 in Aitkin County on Saturday. Roger W. Langenbau, 74, or Pequot Lakes was driving eastbound on County Road 3 and ran the stop sign at the intersection with the state highway. Edward and Janell Cirkl, both of Minneapolis, were traveling north on Hwy. 169 and broadsided Langenbau's 1999 Cadillac DeVille, killing Langenbau and injuring his passenger, Jerry Swenson, 69, also of Pequot Lakes. The Cirkls and Swenson all sustained serious injuries.