1º_ That makes butrones, for ventilation of caves or for other purposes. See butron ( "gap") . 2º_ Specifically who breaks walls or ceilings to enter to steal. See boquetero, caleta, guzpatatero.
He is a type of thief who is characterized by making holes in walls, walls, ceilings or doors to manage to make his misdeeds. They are also often called boxers.
Boquetero: in Argentina, which enters homes and banks making a gap or hole in the wall or a tunnel from a few meters