A Prince George’s County man has been arrested and charged with murder in the stabbing death of his wife over the weekend at their Colmar Manor home, police said. The man, 56-year-old Luis Novoa, is being held without bond at the county jail. Support our journalism.... She was transported to a hospital, where she died, police said. Detectives think Novoa stabbed Maldonado during an argument, police said, adding that the man acknowledged the killing.... He was arrested soon after authorities ar