By DÁNICA COTO and EVENS SANON PORT-AU-PRINCE, Haiti (AP) — U.S. officials are working with Haitian authorities to try to secure the release of 12 adults and five children with a U.S.-based missionary group who were abducted over the weekend by a gang notorious for killings, kidnappings and extortion. The group was snatched by the 400 Mawozo gang, which controls the Croix-des-Bouquets area east of