Five family members in Dominican republic changed in "aliens"

Five of 12 members of one family living in Dominican Republic, faced a mysterious disease which cardinally changed their appearance, giving them similarity to "aliens". Incident Bautista, inhabitants of San-Khuan captured Isaías, Grasioza, Presyoza, Antonio and Migelina. Since the childhood at this family strange changes of a form the skulls which are showing in huge outgrowths on a forehead, cheekbones and between eyes are observed. Isaías admits that because of constant hints they even started considering themselves as newcomers, however there were the people, capable to refute this theory. But except...