It was in April 2016 that Esmeralda was born.
Already at the birth, concerns were raised among the staff about how the girl's father was acting.
He is said to have been threatening and, among other things, inhaled his own nitrous oxide in the ward.
It appears from documents that SVT Nyheter Öst has read.
Just a few weeks after the birth, Esmeralda, according to LVU, took care of the law on care of young people.
The girl was then placed in a family home with Melinda Jacobs in Vadstena.
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Foster mother: "The most difficult thing that has happened to us"
Esmeralda stayed in her new family home for just over two years, during which time the biological father was sentenced to prison.
But he came out and then arranged a steady job.
Esmeralda's mother and father had another child and after that the couple starts fighting to get the girl back.
At the same time, the mother's teenage children, who had been LVU-placed for some time, returned home.
The Court of Appeal ruled in favor of the parents
In the spring of 2018, the social committee in Norrköping rejected the parents' request.
The decision was appealed, but during the summer of the same year, the administrative court also said no to the biological parents.
A few months later, however, the Court of Appeal changed the decision.
The court considered that the biological parents had arranged their lives.
The three-year-old's legal representative did the same - and Esmeralda had to break away from the family home in Vadstena to move home to her biological parents.
In the spring of 2019, the girl was registered at the mother's address.
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"The Court of Appeal's assessment, as I interpret it, is that it is considered that there is no longer a significant risk for this child to move home," says Henrik Walgeborg, city lawyer, Norrköping Municipality.
At Christmas, the social committee in Norrköping received a report of concern about the little girl, but the assessment was that the girl was well.
A month later, she was found dead in her home in Norrköping.
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The social director: "Has seen shortcomings in how routines were followed" Photo: Tobias Holmqvist / SVT
The parents were arrested shortly afterwards, but after a few weeks the father died in custody.
According to the Swedish Prison and Probation Service, there was no indication that it was a suicide.
Both the police and the Swedish Prison and Probation Service are investigating the incident.
The mother has undergone a so-called section 7 examination where her mental condition has been investigated.
She is now receiving care at the forensic psychiatric regional clinic in Vadstena and is suspected of having caused her daughter's death, as well as two cases of aggravated assault of the girl.
May be a change in the law
The other day, Esmeralda would have turned four years old and the tragic case has attracted a lot of attention, both in Norrköping and throughout the country.
In light of the case, several politicians from most parties have said that something similar will never happen again.
Both the Riksdag and the government have also launched investigations.
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Minister of Social Affairs: "Really terrible"