 He told the U.S. Army of the murders, but little was done to bring Lott to justice.The local prosecuting attorney nailed the dead chief's head to a pole over his house.In the late winter of 1857, which was severe, Inkpaduta led his starving band into Iowa, where on March 8, he launched a series of raids on white settlers in the Spirit Lake area, in which a total of 38 people were killed.