Rapper XXXTentacion was shot and killed during an apparent robbery Monday in Broward County, Florida, police said.The 20-year-old rapper, whose real name was Jahseh Onfroy, was leaving a motorsports store shortly before 4 p.m. when two men in a dark colored SUV shot and killed him in an apparent robbery, said Keyla Concepción, Broward County sheriff department public information officer. Details here.