British actress, 27, playing Ukrainian dwarf Natalia Grace in new Disney+ drama reaveals the 'truth' she learned while portraying 6-year-old whose adoptive parents claimed she was really an 'adult sociopath'

The mysterious case of Natalia Grace – a Ukrainian orphan with dwarfism accused of lying about her age and ‘tormenting’ her adoptive parents – has baffled true crime fans for years.