HARRISONVILLE, Mo. (AP) A northwest Missouri man pleaded guilty Friday to killing two brothers from Wisconsin after they came to his farm in 2019 to collect a debt from a cattle contract. Garland Nelson, of Braymer, pleaded guilty to two counts of first-degree murder in the deaths of 24-year-old Justin Diemel and 35-year-old Nicholas Diemel, of Shawano County, Wisconsin.