Minnie Mouses, Daniela and Sarah Agudelo, head out to the Winthrop Annual Halloween Haunt last Friday night, Oct. 30, in Winthrop Centre.Hundreds of families and friends in themed, group costumes gathered from surrounding neighborhoods for Winthrop’s Annual Halloween Haunt on Oct. 30. Children began trick-or-treating beside a giant black cat at Webster First Federal Credit Union, who sponsored the event.