Home schooling laws in Michigan are being targeted by an advocacy group, concerned that they can lead to trouble for abused children.

The Lansing State Journal tells the story of the Conde family, who pulled their five children out of public schools because Child Protective Services complaints were piling up. The parents were eventually charged with 10 counts of first- and second-degree child abuse, as well as one count of unlawful imprisonment.

Police described a dungeon-like room where the kids were locked up for hours without food or water, and beaten, according to the charges. The abuse was discovered in 2017.

The Coalition for Responsible Home Education says that with more strict home schooling laws in Michigan, the kids may have been able to get help earlier. The group is calling for certain loopholes to be removed from the current law so children like the Condes don’t disappear from the system.