Photo: Family Photo

AJ Freund

Time and again, authorities came to the home where 5-year-oldAndrew ‘A.J.” Freundlived with his parents.

Caseworkers had long been familiar with the family. When A.J. was born in 2013 with opiates in his system, he was removed from the home. According to theChicago Tribune, he was returned to his parents in 2015.

Still, A.J. and his sibling remained with the family.

Family Photo

AJ Freund

On Wednesday, the Crystal Lake Police Department and the FBI announced that they had found the remains of the child wrapped in plastic and buried in a shallow grave.

According to McHenry County Interim Coroner David Devane, the cause of death was“craniocerebral trauma as a consequence of multiple blunt force injuries.”

Police arrested Cunningham and Freund on Wednesday. Both face a slew of charges including first-degree murder, aggravated battery and failure to report the death of a child, according to the criminal complaint.

They are being held on a $5 million bond and will be arraigned Monday. Their attorneys did not immediately respond to PEOPLE’s request for comment.

• Want to keep up with the latest crime coverage?Click hereto get breaking crime news, ongoing trial coverage and details of intriguing unsolved cases in the True Crime Newsletter.

As the tragedy has unfolded, many have questioned why the boy was allowed to stay in deplorable conditions.

“I got the sense from what I read that the cops were essentially begging [DCFS] to take the child,” state Rep. Sara Feigenholtz, a Chicago Democrat who chairs the House Adoption and Child Welfare Committee, told theAssociated Press. “There were so many calls made, so many signs of trouble and still nothing was done.”

source: people.com