Investigation Discovery announces a startling new docuseries THE CURIOUS CASE OF NATALIA GRACE, which offers extraordinary access and exclusive insight into a mystery ripped straight from the headlines: Who is Natalia Barnett? Initially assumed to be a 6-year-old Ukrainian orphan with spondyloepiphyseal dysplasia, a rare bone growth disorder that can result in skeletal abnormalities as well as issues with hearing and vision, Natalia was adopted by Kristine and Michael Barnett in 2010. However, the happy family dynamic soured when allegations against Natalia were brought by the Barnetts who alleged Natalia was an adult masquerading as a child with intent to harm their family. In 2013, Natalia was discovered living on her own which ignited an investigation that led to Michael and Kristine’s arrest and a firestorm of questions. This astonishing odyssey of deceit, colorful characters, twisted family dynamics and unbelievable testimonies will premiere across three consecutive nights on ID beginning Monday, May 29, airing nightly from 9-11pm ET/PT.