 It controlled numerous drug trafficking corridors, and engaged in human smuggling, money laundering, extortion, kidnapping, murder and gun-running.The BLO was one of Mexico's most powerful drug cartels, which had effectively infiltrated the ranks of various Mexican government agencies and Mexico's Interpol.Its last known leader, Héctor Beltrán Leyva, was arrested in October 2014, having had a multimillion-dollar bounty placed on him by the governments of both the United States and Mexico.