Minnesota In 2008, while the family was living in Minnesota, a teacher observed bruises on Hannah's left arm and was told she had been hit by Jennifer
with a belt. Within months, all six children had been pulled out of the public school system for a year.
Oregon In 2013, Oregon authorities were notified of the abuse allegations in Minnesota. Their investigation included separate interviews of everyone in the family, as well as interviews of people who knew the family. Two family friends stated that the children were forced to raise their hands before speaking, could not wish each other a happy birthday, and could not laugh at the dinner table. There were other reports that the children were poorly fed and looked small for their ages. One family friend reported that Jennifer had ordered a pizza for the children, but each was only allowed to have a small slice. When Jennifer discovered that the pizza was gone, she punished the children by not feeding them breakfast and forcing them to lie on their bed for five hours. after the Harts moved to the Woodland, Washington area, Hannah jumped out of her second-story bedroom window at around 1:30 a.m. and approached the residence of her next-door neighbors, the DeKalbs. Hannah reportedly pleaded, "Don't make me go back! They're
racists and they abuse us!" Soon afterwards, the Harts found Hannah and took her back home. The following day, Jennifer attempted to explain the incident by claiming that Hannah was lying, that the children occasionally acted out because they were "drug babies", and that Hannah's biological mother was
bipolar. After this incident, the DeKalb family came into contact with Devonte, who constantly begged for food and asked the DeKalbs not to tell Jennifer about these requests. In later conversations with Devonte, he told them that his adoptive mothers withheld food as punishment and that the children were sometimes abused. This, combined with the earlier incident with Hannah, made the DeKalbs report the Harts to both the police and to the
Washington State Department of Social and Health Services (DSHS). Case workers from DSHS tried to reach the Harts twice: once on March 23, 2018—three days before the murders—and once on the day of the murders. ==Murders==