ˈoʊmɑːɹ kˈɑːlɪfə moʊhˈæmɪd ˈæbuː bˈækɚ mˈɑːdʒɚ jˈuːmɚɹ ɪz ɐ sˈɪɾɪzən ʌv lˈɪbɪə hˌuː wʌz hˈɛld ɪn ˌɛkstɹədʒuːdˈɪʃəl dɪtˈɛnʃən ɪnðə juːnˈaɪɾᵻd stˈeɪts ɡwɑːntˈænəmˌoʊ bˈeɪ dɪtˈɛnʃən kˈæmps, ɪn kjˈuːbə, fɹʌm ˈɔːɡəst fˈaɪv, tˈuː θˈaʊzənd tˈuː, ʌntˈɪl ˈeɪpɹəl fˈoːɹ, tˈuː θˈaʊzənd sˈɪkstiːn.
Omar Khalifa Mohammed Abu Bakr Mahjour Umar is a citizen of Libya who was held in extrajudicial detention in the United States' Guantanamo Bay detention camps, in Cuba, from August 5, 2002, until April 4, 2016.