The murder of 6-year-old Eli Hart by the hands of his mother was tragic and entirely preventable. There were many missteps taken by social workers assigned to the case - it's safe to say that the foster care system failed Eli Hart.
Sources:
1) https://www.kare11.com/article/news/investigations/kare-11-investigates-eli-hart-child-red-protection-failures/89-a0878e1a-f655-48bc-96ce-b25114aef1ac#:~:text=Sometime%20on%20the%20morning%20of,pizza%20as%20police%20interrogated%20her.\
2) https://www.fox9.com/news/eli-hart-killing-mom-sentenced-to-life-in-prison-for-murdering-her-son
3) https://elihartplayground.com/
4) https://www.cbsnews.com/minnesota/live-updates/julissa-thaler-sentenced-murder-6-year-old-son-eli-hart/
5) https://en.wikipedia.org/wiki/Minnetrista,_Minnesota
6) https://www.fox9.com/news/eli-hart-killing-boys-dad-testifies-at-julissa-thalers-trial
7) https://medlineplus.gov/download/genetics/condition/townes-brocks-syndrome.pdf