sentences:  In 1982 Rackham discovered Brendan was profoundly disabled and had died several months earlier.Prompted after 30 years by then Prime Minister Julia Gillard's 2013 Adoption Apology, she became an advocate for exposing the secrecy and trauma of Forced adoption in Australia.Rackham was an active member of the adoptee advocacy group IDentityRites from 2014-2017.