a mediación

halfway; at the midpoint

“[…] llegaron sin novedad a la entrada de la colonia donde vivía Mario Garcia^([sic – meaning García]) Solís y los tres vehiculos entraron por diferentes calles, un poco antes de llegar a la casa a donde iban, todos se pusieron los pasamontañas, llegaron por las dos esquinas de la calle, la casa estaba a mediación de la cuadra.” — They arrived as usual to the neighborhood entrance where Mario García Solís lived and the three vehicles entered by different streets, a bit before arrived to the house they lived, everyone donned the balaclavas, they arrived by the two corners of the street, the house was halfway through the square.