INTRODUCTION 9 Convenience sampling and snowball sampling methods were applied, since the topic of the study is sensitive and involves adults that are more vulnerable. Open calls to participate in the study were announced and distributed via local and national NGOs and associations, various groups on social media such as Facebook, the Monitoring Committee on the Rights of Persons with Disabilities, social care and independent living homes, direct emails to individual prosecutors, lawyers, and judges due to previously established contact, Prison’s Department, Probation Service (by an official letter by the lead partner of the project), Psychosocial Rehabilitation Centre, and Lithuanian Sign Language Translation Centre. Additionally, a call to participate in semi-structured interviews was included in the 11 Freedom of Information requests sent to relevant institutions, as described in the sub-section above. Confidentiality Agreements were signed by all members of the research team. Informed Consent Forms were signed and consent to voluntarily participate in the research study was obtained from all research participants. Audio recordings were made of all interviews, and subsequently verbatim transcribed and anonymised. Analysis of the collected data took place following the completion of fieldwork at the end of 2022, using reflexive Thematic Analysis. 1.2.6. NATIONAL ROUNDTABLE A national roundtable discussion about the rights of defendants and detainees with intellectual and/ or psychosocial disabilities was organised by the