A mom of four from Indiana was fatally gunned down after arriving at the wrong address for her cleaning job — and her grieving husband, who watched her die, is now demanding justice. Maria Florinda Ríos Pérez, 32, was shot dead just before 7 a.m. Wednesday as she and her husband, Mauricio Velázquez, arrived at a Whitestown home they’d been hired to clean, IndyStar reported. The couple, who are self-employed cleaners, checked the address twice and circled the neighborhood — a tiny suburb about 22 miles from Downtown Indianapolis — to make sure they were in the right place, the...