A Mexican immigration official with knowledge of the case said Ethan. The first farmer to pull his tractor out of the four people he killed while driving drunk on June 15, 2013. David Holsten, 18, works as a landscaper and plowing snow in Coeur d'Alene, Idaho. Besides horses, mules are used for plowing and donkeys for hauling. Margarigo Encinias, one of nine contestants vying for the title.