Danielle and Alexander Meitiv, a climate-science expert and a physicist for the National Institutes of Health now best known as the "free-range" parents who let their two kids walk unsupervised from parks to their house, have been formally declared "responsible for unsubstantiated child neglect" by local child protective services. The ruling was one of three possible outcomes in neglect investigations, reports the Washington Post : ruled out, unsubstantiated, or indicated.