There are 3 different evaluations done, 2 with a younger age and one with an older age, even by that dcotor's account the parents went with the older age range:
"A court affidavit contains hospital records that estimated Natalia's age to be approximately 8 in 2010 and closer to 11 in 2012, but Kristine provided a separate doctor evaluation that claimed Natalia was an adult. The written statement by Dr. Andrew P. McLaren at IU Health in Indiana stated that Natalia's provided date of birth was "
clearly inaccurate," citing dental development, menstrual development, and several other factors. He estimated that she was likely between 18 and 22 at the time of evaluation in 2012."
Indiana couple legally changed daughter's age before abandoning her, police say
"According to the affidavit, doctors at Peyton Manning Children’s Hospital examined Barnett’s daughter, who has also been diagnosed with a type of dwarfism called spondyloepiphyseal, and concluded she was somewhere around 8 years old. It’s not clear when the exam took place."
Father accused of altering adopted daughter’s age from 11 to 22 and then abandoning her to move to Canada turns himself in
I have not seen documents other than the mother's assertion that the child was dx'd with these disorders. And, even if she was dx'd as a psychopath and sociopath, the parents had a duty to make sure that she was working within the system for support and services. "Kristine Barnett further said that Natalia had been
diagnosed as both a psychopath and a sociopath. Natalia has not been reached for comment, and it was not immediately clear if she was involved in legal action against her adoptive parents."
Indiana couple legally changed daughter's age before abandoning her, police say