Rapper XXXTentacion was shot in killed in south Florida Monday. TMZ first reported the shooting and the Broward County Sheriff's Department confirmed his death via Twitter. In a social media message recorded just hours earlier, he spoke about his own death. XXXTentacion was a Florida native born Jahseh Dwayne Onfroy. The rapper was hugely popular on social media, and in March, his album '?' debuted at number one on the Billboard 200 album chart. He was 20 years old.