 At the same time as federal police arrested Carlos, Beltrán Leyva associates who allegedly murdered four relatives - a mother, siblings and an aunt - of one of the marines involved in the shootout that killed Arturo, were also arrested by Mexican authorities, with a hitman allegedly confessing to the crimes.The killings, allegedly in retaliation for Arturo's death, happened hours after the marine's funeral.On April 22, 2010, cartel lieutenant Gerardo Alvarez-Vazquez was captured on the outskirts of Mexico City; the U.S. had been offering a $2 million U.S. bounty for his arrest.