NUEVO LAREDO – Since time immemorial, U. S. travelers to Mexico have been cautioned not to drink the water.On the U.S. side of this Mexican border city, however, visitors are also warned to stay out of trouble or, at best, don’t end up at La Loma (The Hill). La Loma, Nuevo Laredo’s municipal jail, became known to the general public as some kind of landmark for no good reason. La Loma, nevertheless, is no more.