CROWN POINT, Ind. -- The family of a missing northwest Indiana father of two is asking for the public's help.Michael Anthony Hernandez, 23, has not been seen or heard from since leaving "The Square," a bar in Crown Point, around 11 p.m. Friday night.A married father of twin baby girls, Hernandez did not show up to work Saturday. He was driving a dark blue 2008 Toyota Scion with Indiana plates 906LTTI.Anyone with information on his whereabouts is urged to call police.