Complex sentence: Although they call themselves a'cartel', the'South Pacific Cartel' is only a local cell created on April 2010 by Héctor Beltrán Leyva, of the Beltran Leyva Cartel.
Split into simpler sentences: Although they call themselves a'cartel', they are only a local cell. The'South Pacific Cartel' is a local gang created on April 2010 at the service of Héctor Beltrán Leyva, of the Beltran Leyva Cartel.